#vue js event

[lackhand]

My Server Side Rendering thoughts

I'm tech advising my friends' startup and it's interesting. Out of our discussions, I had a thought I wanted to get down in ink.

Client Side Rendering sucks for small teams but is nearly impossible to escape in Standard Technologies^1.

^1: Cunningham's Law: "the best way to get the right answer on the internet is not to ask a question; it's to post the wrong answer"

Backend development is basically fine

Say that you are writing an internal tool website. In his case it's a sales-y CMS-y thing; an integrated wizard & search tool. Obviously there's a few domains there (the Requirements server! The Catalog & search product! the produced Proposals!) and there's a sane UML chart about how the layers interact. Cool.

You've picked a language like ts/js/go/py/php/kotlin for your backends based on skill availability, libraries, etc. You're done, right?

But!

Frontend dev still requires a completely different approach

Developing the frontend for this kind of sucks. You've written a sane set of microservices in your favorite backend technology, yes, but when it comes time to knit them together, you probably need to switch technologies. You're going to pick React (or equivalently Svelte, Vue; Solidjs, etc), because you want a Single Page Application website.

At WebScale(tm), this makes sense: nothing scales or is available like the users' own browsers for the interactivity parts of your app. But if you're optimizing for the simplicity and team size, I'm not sure you want to bring a completely second technology into this game.

Liveview writes the frontend for you ASTERISK! FOOTNOTE! SEE CIT!

My friend's background includes the Elixir/Phoenix/Liveview stack^2.

Liveview uses a persistent websocket between the client and server. The client sends browser events to the server across the socket. The server uses a react-like events-and-caching-and-reevaluating model to determine changes to state as a result. The server uses session state to maintain its own mirror of the browser's DOM, and then streams the differences to the frontend, where the standard clientside javascript library applies them, and the cycle continues.

^2: 15 bits entropy remain

Chris McCord on how and why Liveview is, c. 2021.

Ok, so...? How does this help the solo dev?

At this phase, separation of concerns is overrated and you're probably not doing it right anyway.

You're a small-team multi-hat dev. You are building this app by the seat of your pants; you are not sure the UI you're building is the right UI yet.

So if you do normal React stuff, the flow of data is something like:

... → [Raw Database Schema] → [Internal Business Object in e.g. python] → [Display-oriented GET API in python on server] → [Serialize JSON] → [React render in typescript on browser] → [React produces final DOM changes on browser]

Those "display oriented API"/Serialize/"react HTML" lines are really suspicious at this point. Even though you've modeled your business objects correctly, every change to the interaction model requires synchronized FE and BE changes.

This is more than a protocol problem: something like protobufs or tRPC or whatever let you better describe how the interface is changing, but you'll still need to consume/produce new data, FE & BE changes.

So it lets you instead write:

... → [Raw Database Schema] → [Internal Business Object in elixir] → [Server rendering in elixir & HEEx on server] → [Serialize LV updates] → [LV FE lib renders on browser]

Bennies

By regarding the produced DOM mirror as a server API, you can feel ok about writing custom display queries and privileged business model access in your backend code. It means you're not using your RESTful GET endpoints in this codepath, but it also means you're not spitting out that boilerplate with only one current caller that will never have a second caller...

By sending browser events to the server's mirror of the DOM, you don't need to dip into the browser behavior; you can write server code that responds to the user's semantic actions. One can go too far; probably most confirm modals etc should get maintained & triggered clientside, but liveviewers usually take the serverside loop.

This websocket is critical for scoping changes, because e.g. a form post down in the guts of the page might cause changes at distant locations in the DOM (a nested delete button deleting an element from a list?) and the client's browser needs to be told to do the refresh of those elements (the list and any changed elements and a parent object with an element count and...?). That didn't use server generated events, but those could exist too ofc.

How does Elixir keep getting away with it?!

The pat answer for how Liveview does this -- including Chris McCord's article -- is the Blazingly! Efficient! Nature! of the BEAM! VM! (everything is green threads; cluster routing of method calls and replication of state; resumption of failed units of computation, etc etc).

I'm incredibly suspicious of this.

Sure, BEAM solves these problems for the developer, but so does a redis instance (or just the DB you were using anyway! Postgres is no joke!) + frameworks. Lots of apps use session state and use adapters to store that state durably with the end dev not needing to get into the weeds about how. Library authors could do this. It might be easier or harder for a given library author to deliver this in a given language, but there are some very skilled library authors out there.

You, developer, do not yet have as many users as you hope. DevOps has deployment practices that BEAM does not fit into. BEAM's enormous multiplexing is not saving you more than just turning up a few more servers would. You would be writing in go or in c++ if you meant it.

So:

Why isn't there already a popular equivalent of LV in js/ts/py/php/kotlin/etc?

TL;DR: LiveviewJS seems like the closest/most complete option as I understand it.

There are other equivalents ofc. But they have nowhere near the same level of use, despite being in languages that are OoM more in-use.

Candidates include turbo, django unicorn, unpoly, React Server Components... But none are really right afaict!

I can kind of guess why they're not as popular, which is that if you do not need to tie up server assets on a per-client basis, you will not choose to tie up server assets on a per-client basis. Websocket state, client DOM mirrors, etc; it adds up.

If you're building a chat app or video app, obviously devoting a stateful local socket-per-client is a good tradeoff. But I feel like there are lots of models that are similar! Including the one my friend is facing, modifying a document with a lot of spooky action at a distance.

What's missing? The last mile(s)

We have the technology to render any given slice of the page on the server. But AFAIK there's no diff behavior or anything so it'll render the entire subtree. You can choose whether to ship back DOM updates or fully rendered HTML; it doesn't make much of a difference to my point IMO.

Using something like htmx, you could have a frontend form post cause a subtree of the DOM to get re-rendered on the backend and patched back into the document.

That's "fine" so far as it goes, but if (in general) a form post changes components at a distance and you're trying to avoid writing custom frontend-y code for this, you're going to need to target some fairly root component with the changed htmx and include a lot of redundancy -- a SPA that does a refresh of the whole business model.

Why aren't more people talking about this?

The pieces of architecture feel like things we've all had available for a while: websockets, servers that handle requests and websockets, session state, DOM diffing, DOM patching.

How did Elixir get there first (Chris McCord explains how he got there first, so that might just be the answer: spark of genius)? Why did nobody else follow? Is there just a blindingly obvious product out there that does it that I'm missing?

One thing I see is that the big difference is only around server pushed events. Remix/RSC gets us close enough if the browser is always in control. If it isn't, you gotta write your own notification mechanisms -- which you can do, but now you gotta do it, and they're definitely running on the client, and your product has taken on a whole notification pipeline thing.

[getaprogrammer7]

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[softsuave]

Why Angular is the Future of Front-End Development

Front-end development is changing fast, and it’s very important to keep up with new advancements for both developers and businesses. Angular is one technology that has become very popular in this evolution. Angular, a front-end framework made by Google, has been widely accepted in the world of programming. In the following sections, we will delve into why Angular is regarded as the upcoming path for front-end development, advantages gained from hiring Angular developer and a comparison with other technologies in this field.

Understanding Angular in Front-End Development

Angular is a strong framework that people use to make interactive and flexible web applications. It’s very helpful for making client-side applications in a structured way. Angular has many solid features which can handle various problems in front-end development.

Why Angular is the Best Choice for Front-End Development in 2024

As we go deeper into 2024, the strong points of Angular become clearer. Here are the reasons explaining why Angular is the top selection for front-end development:

Modern Architecture

Angular employs a modern and structured approach to application development. Its component-based architecture promotes code reusability and separation of concerns, making it easier to manage and scale large applications.

Enhanced Performance

Angular’s performance is continually improving. The framework’s Ahead-of-Time (AOT) compilation converts templates into efficient JavaScript code before runtime, which reduces load times and boosts performance. This makes Angular a solid choice for building high-speed, responsive applications.

Robust Tooling

Angular’s integrated tooling, including the Angular CLI (Command Line Interface), simplifies development workflows. The CLI automates common tasks like project setup, building, and testing, which accelerates development and reduces errors.

Advanced Features

Angular provides advanced features such as Dependency Injection, which enhances modularity and simplifies testing. Its RxJS library supports reactive programming, making it easier to handle asynchronous data and events.

Future-Proof Technology

With backing from Google and a commitment to continuous updates, Angular is designed to stay relevant. The framework’s frequent updates and long-term support ensure that it will adapt to future trends and maintain compatibility with new technologies.

Angular Framework Benefits

Using Angular brings numerous benefits to front-end development:

Performance

Angular’s Ahead-of-Time (AOT) compilation enhances the performance of applications by transforming TypeScript and HTML into effective JavaScript code prior to running the application.

Scalability

The structure of Angular is made for creating big-sized applications. It has a modular design that helps in handling and increasing the size of projects.

Security

Angular has security features that can defend against typical web threats, so it is safe for building web applications.

Testing

Angular has its own set of tools and support for unit testing and end-to-end testing. This guarantees that applications are dependable and operate as expected.

Angular vs Other Front-End Frameworks

When we compare Angular with other front-end frameworks such as React and Vue.js, there are few key aspects:

Angular vs React

React is a library that concentrates on constructing user interfaces, whereas Angular is a robust framework providing an overall solution for application development. Angular has a more opinionated structure, which can make development easier but possibly restrict flexibility when compared to React’s modular method.

Angular Vs Vue js

Vue.js is famous for being simple and easy to include. But, Angular provides a wide range of elements and tools that might be better suited for big projects needing a sturdy structure. Vue.js gives you flexibility but it could need more libraries to match the built-in abilities of Angular.

Advantages of Using Angular for Front-End Technology

The advantages of using Angular extend beyond its features:

Development Experience

The structure of Angular is firm and straightforward, making it simpler to comprehend and lessening the possibility for confusion.

Extensive Documentation

Angular has many documents and resources, which assists developers in learning and using the framework.

Solutions for Big Enterprises

Angular is selected by numerous big enterprises because of its ability to handle large-scale projects and robustness, which makes it an dependable choice for complicated and high-performance applications.

Angular Development Trends

The development trend updates are important for using the framework’s power fully. Some crucial trends are:

Improved Performance

Regular betterments in Angular’s performance, such as quicker rendering and build times optimization, assist in providing users with enhanced experiences.

Adoption of TypeScript Rises

As TypeScript becomes more popular, it improves the quality and ease of maintaining code in Angular projects.

Integration with Modern Tools

Angular has become more integrated with current front-end development tools and methods, like server-side rendering and progressive web apps.

Future of Angular in Web Development

In web development, we can see a hopeful future for Angular. As it keeps getting updated and enhanced, Angular is ready to adapt to the changing requirements of developers and businesses. The extensive features it offers along with solid community support are indicators that Angular will continue being a major part of front-end development environment.

Angular Development Company

Hiring an Angular development company can be a good choice for businesses planning to use Angular in their projects. These companies are skilled and knowledgeable about the system, which helps them make the most of its capabilities. They are able to create web applications that function well and have high quality using Angular, providing beneficial results.

Conclusion

To sum up, Angular’s wide-ranging characteristics, performance advantages and substantial community backing put it ahead in front-end development. As the path of web development moves forward, Angular will play a bigger part in giving developers and businesses an influential aid to construct lively and expandable applications.

[synthetictechspace]

How will you choose a framework that gives you the best results for web development and guarantees scalability?

JavaScript comes with code libraries i.e. you can use pre-written programming codes. Plus, it supports functional and event-driven programming types.

So, let's quickly know about the options available.

Angular

Node JS

React

Vue JS

Ember

Next

Express

To Understand much more about the JS frameworks let’s dive into this article;

[pratyusa12]

Nodejs Development | Node js Developers | Node js Developer

Nodejs development is a popular choice for erecting scalable and high-performance web operations using JavaScript on the garçon side. Nodejs Development provides a runtime terrain that enables a Nodejs inventor to make presto and effective web operations with event-driven and non-blocking I/ O operations. With its robust set of libraries and modules, Nodejs development allows inventors to make web operations for colorful disciplines, including eCommerce, real-time operations, and streaming services. Nodejs development also offers flawless integration with frontal-end fabrics similar to Angular, Reply, and Vue, enabling Nodejs inventors to make full-mound web operations using a single programming language. Nodejs inventors also have experience working with colorful databases, including MongoDB, MySQL, and PostgreSQL, and use their knowledge to make web operations that bear data operation. Overall, Nodejs development provides inventors with the inflexibility, scalability, and effectiveness demanded to make innovative and high-quality web operations.

Service Immolations: Event-driven Node.js web operations. tailoredNode.js development services. Development of plugins and doors for colorful operations. Real-time business operations usingNode.js SaaS- grounded product development and conservation. gyms, E-commerce operations and APIs.

Framework Competency: JavaScript has gained significant significance in the programming world with the arrival of Node.js. Since it was formerly an extensively used programming language in cybersurfers, it was ineluctable that it would find its way into garçon- side perpetration. This eliminates the need for inventors to use two different languages on both ends and simplifies the development process.

offers innovative results for erecting waiters and web/ mobile operations. Its single-threaded event looping and asynchronous,non-blocking input/ affair processing point sets it piecemeal from other runtime surroundings. It's fleetly expanding with benefactions from the inventor community and other technology titans. multitudinous performance-driven fabrics have been developed grounded on Node.js's primary principles and approaches, extending its functionality and introducing new features.

fabrics likeExpress.js andHapi.js are gaining fashionability among inventors for erecting better websites and mobile operations. thus, it's essential to keep up with the rearmost inventions in the tech world that these Node.js fabrics bring. As a result, we've collected a list of the top 10 Node.js fabrics that are presently reconsidering the operation development field. Hapi.js Socket.io Express.js Mojito Meteor Derby Mean.js Sails.js Koa.js Total.js

Tools & Technologies: Mocha.js Chai Sinon.JS Express.js WebStrom IDE Passport.js Socket.io Webpack BlueBird.js

FOR MORE DETAILS DO VISIT- DCS

[ibrinfotech]

Vue.js Recruitment Made Easy: A Complete Guide to Hiring Skilled Vue.js Developers

In recent years, Vue.js has become incredibly popular as a potent JavaScript framework for creating dynamic web apps. Hiring knowledgeable and experienced Vue.js developers is essential if you plan to use the platform for your project. Finding the best Vue.js developers, though, might be difficult. In this comprehensive guide, we'll take you step-by-step through the hiring process for Vue.js engineers, including advice, best practices, and insights to help you put together a strong Vue.js development team.

Understand Vue.js and its Benefits

It's crucial to become familiar with Vue.js and its benefits before beginning the hiring process. A progressive JavaScript framework called Vue.js is renowned for its ease of use, adaptability, and responsiveness. It provides easy connection with current projects, effective rendering, and a component-based architecture that encourages code reuse and maintainability. It will be easier for you to express your requirements and evaluate the abilities of potential applicants if you are aware of the advantages of Vue.js.

Define Your Project Requirements

Start by stating your project's requirements in explicit terms before you employ any Vue.js engineers. Establish the project's objectives, complexity, and scope. Decide the specific Vue.js features and functionalities you require, such as server-side rendering with Nuxt.js, state management with Vuex, or routing with Vue Router. You will be able to analyse possible candidates' compatibility with your project and successfully express your demands to them if you have documented your project specifications.

Assess Vue.js Proficiency 

When evaluating Vue.js developers, it is critical to analyse their framework knowledge. Look for applicants who understand the principles of Vue.js, such as Vue components, directives, lifecycle hooks, and reactivity. Consider their expertise in developing real-world Vue.js applications, their familiarity with Vue.js ecosystem tools such as Vue CLI, and their knowledge of Vue.js best practices and design patterns. Asking technical questions or assigning Vue. js-specific coding exercises will help you assess their skills and problem-solving abilities.

Evaluate Front-end Development Skills 

While Vue.js competence is required, candidates' wider front-end programming skills should also be evaluated. Examine their knowledge of HTML, CSS, and JavaScript, as these are required for Vue.js development. Look for competence with CSS frameworks like Bootstrap or Tailwind CSS, as well as knowledge of recent JavaScript libraries and frameworks. The ability to interact with APIs, integrate with back-end technologies, and comprehend front-end optimisation approaches are all significant abilities.

Cultural Fit and Communication Skills

A successful partnership also requires communication skills and cultural compatibility in addition to technical proficiency. Examine a candidate's capacity for teamwork, openness to learning and adaptation, and compatibility with the culture and values of your business. Strong communication abilities are essential for productive teamwork and efficient project management. Examine the candidates' capacity for understanding requirements, communicating requirements, and expressing problems and progress.

Utilize Online Communities and Networks

Use internet communities and networks to discover expert Vue.js developers. Participate in Vue.js forums, communities such as the Vue.js official forum, Reddit, or Stack Overflow, and Vue.js-specific conferences or events. Engage with the Vue.js community and ask for recommendations or referrals. Online job boards and professional networking platforms like LinkedIn can also be useful for connecting with Vue.js developers and seeing their profiles and recommendations.

Conduct Technical Interviews and Assessments

Consider using technical interviews or evaluations to fully assess Vue.js developers. Interviews should be formatted to include questions about Vue.js principles, project experience, problem-solving capabilities, and code knowledge. To evaluate candidates' knowledge of Vue.js and coding practices, ask them to perform short coding activities or challenges. Pair programming activities or collaborative coding sessions can reveal information about a person's capacity for teamwork and contribution to the development process.

Consider Remote or Freelance Developers

Consider hiring remote or freelance Vue.js developers in today's globalised workforce. Remote developers can offer convenience, cost savings, and access to a diversified talent pool. Platforms such as Upwork, Freelancer, and Toptal connect you with professional Vue.js developers who work on a freelance basis. To encourage efficient collaboration, maintain clear communication routes, well-defined project requirements, and set milestones when recruiting remote developers.

Collaboration and Onboarding

Focus on developing a collaborative and supportive environment once you've hired Vue.js devs. Provide detailed project documentation, establish clear goals and expectations, and maintain open lines of communication. Allow them access to required tools and resources and introduce them to the existing staff to help with their onboarding. To support a collaborative development process, encourage knowledge exchange, code reviews, and regular project updates.

Conclusion

Hiring skilled Vue.js developers is crucial to ensure the successful development of your Vue.js projects. By understanding Vue.js and its benefits, defining project requirements, assessing Vue.js proficiency and front-end development skills, reviewing previous projects, evaluating cultural fit and communication skills, utilizing online communities and networks, conducting technical interviews and assessments, considering remote or freelance developers, and fostering collaboration, you can assemble a talented Vue.js development team that meets your project's needs and contributes to its success.

You can efficiently manage the entire employment process using IBR Infotech's complete Recruitment Management System. You may streamline applicant sourcing, application tracking, and hiring procedures with enhanced automation and strong analytics.

[sophiaseo34]

Top Web Development Frameworks in 2023

A framework is a collection of programming tools as a fundamental "guide" for creating well-organized, dependable software and systems. The creation of online applications, including web services, web resources, and web APIs, is facilitated by web development frameworks. A web framework gives access to pre-made elements, code snippets, or templates used to speed up web development through a library. Let’s discuss the best web development frames used in 2023.

React

React JS (also known as React or React.js) is an open-source JavaScript framework for creating user interfaces (UI) and the parts that make them up mobile applications. Due to its simplicity and adaptability, React has quickly become the most widely used front-end framework in the last year. Facebook and the larger community develop it. Facebook, Skype, Shopify, Discord, Instagram, Uber, Netflix, Tesla, Walmart, and Airbnb are a few well-known React projects.

Angular

Angular is an open-source web application framework built on TypeScript. A broad user base has contributed many tools and solutions to the Angular ecosystem. According to GitHub, Angular is the second most used front-end framework and best suited for highly customized enterprise-level online applications. Companies, including PayPal, Upwork, Google, and Nike use the Angular framework.

Vue.js

Another JavaScript-based framework is Vue(Vue.js), although it offers more freedom when it comes to using HTML and CSS and the model-view-viewmodel (MVVM) architecture. Vue has a vast support network and is simple to learn. Currently, on the rise in popularity, businesses like Trustpilot, Nintendo, and Behance all employ Vue.

jQuery

The purpose of jQuery is to make event handling, CSS animation, Ajax, and DOM tree navigation and manipulation easier. jQuery may locate an HTML element within an HTML page with a specific ID, class, or attribute. We can then use jQuery to alter one or more of the element's characteristics, such as color, visibility, etc. By reacting to an event like a mouse click, jQuery may also be used to make a webpage interactive. The permissive MIT Licence governs jQuery, a free, open-source software. 77.8% of the top 10 million most popular websites. major brands, including WordPress, Facebook, IBM, and Google, use jQuery.

Bootstrap

A free and open-source CSS framework, Bootstrap, designed for front-end web development, prioritizes mobile responsiveness. It includes design templates for typography, forms, buttons, navigation, and other interface elements in HTML, CSS, and (optionally) JavaScript. With approximately 164,000 stars as of May 2023, Bootstrap is the 17th most starred project (and 4th most starred library) on GitHub. 19.2% of websites utilize Bootstrap. The layout components of Bootstrap are the most noticeable since they impact the entire web page. Every other element on the page is contained in the fundamental layout element, which is referred to as the Container. A fixed-width container or a fluid-width container are the two options for developers. The former employs one of the five specified fixed widths, depending on the size of the screen displaying the page, whereas the latter always fills the width with the website. Popular examples of Bootstrap include Lee, Fox News, Reuters, and NetGuru.

Ruby on Rails

Rails, often known as Ruby on Rails (RoR), is a full-stack framework created in the Ruby programming language and is compatible with a number of operating systems, including Mac OS X, Windows, and Linux. Model-view-controller (MVC) is the framework's foundation, and it comes with a comprehensive toolbox that includes essential capabilities for both frontend and backend issues. With the help of established patterns, libraries, and frameworks, Rails enables experts and novices to develop various functionality, such as sending an email or quickly reading data from a SQL database. This comprises several businesses, including GitHub, Shopify, Zendesk, and others.

Django

A high-level Python web framework called Django enables the quick creation of safe and dependable websites. Django, created by experienced programmers, handles a lot of the pain associated with web development, allowing you to concentrate on developing your app without having to recreate the wheel. It is open source and free, has a strong community, excellent documentation, and various free and paid support options. The introduction of Ruby on Rails in 2005 significantly impacted the design of web applications because of its cutting-edge capabilities, which included migrations, view scaffolding, and seamless database table generation. Many frameworks in other languages, such as Grails in Groovy, Phoenix in Elixir, Play in Scala, Sails.js in Node.js, and Laravel, CakePHP, and Yii in PHP, have taken inspiration from Ruby on Rails. This effect on other web frameworks is still noticeable today. Several well-known websites use Ruby on Rails, including Shopify, Airbnb, Crunchbase, Dribbble, GitHub, and Twitch.

Flask 

Python-based Flask is a microweb framework. Due to the fact that it doesn't require any specific tools or libraries, it is categorized as a micro-framework. It lacks components where pre-existing third-party libraries already provide common functionality, such as a database abstraction layer, form validation, or other components. However, Flask allows for extensions that may be used to add application functionalities just as they were built into the core of Flask. There are extensions for object-relational mappers, form validation, upload handling, several open authentication protocols, and a number of utilities associated with popular frameworks. The Flask framework is used by applications like Pinterest and LinkedIn.

Laravel

Laravel is known for its high performance, increased security, and scalability, and has many libraries for supporting development. Model-view-controller (MVC) web applications should be developed using the free and open-source Laravel PHP web framework, developed by Taylor Otwell and based on Symfony. One of Laravel's features is a modular packaging system with dedicated dependency management. Other features include several methods for accessing relational databases, application deployment and maintenance tools, and a focus on syntactic sugar. Laravel's source code is available on GitHub and is licensed according to the MIT Licence.

CodeIgniter

An application development framework, or toolkit, called CodeIgniter, is available for PHP website developers. By offering a comprehensive collection of libraries for frequently performed operations and a user-friendly interface and logical structure to access these libraries, it aims to enable you to construct projects much more quickly than you could if you were programming code from scratch. By reducing the amount of code required for a particular activity, CodeIgniter enables you to concentrate creatively on your project. CodeIgniter has been designed to be as flexible as possible so that you can work without being constrained. The framework's essential components may be modified or replaced to ensure the system operates as intended.

Conclusion

2023 has brought forth a plethora of exceptional web development frameworks that have revolutionized the industry. These frameworks have empowered developers to create robust, scalable, high-performing web applications easily. With the right framework in hand, developers can harness the power of these tools to create exceptional web applications that drive innovation and success in the digital landscape.

At Nodesol Corp, we understand the importance of a strong online presence. Our team of skilled developers is dedicated to creating engaging and user-friendly websites that captivate your audience and drive results. Whether you require a simple informational website or a complex e-commerce platform, we have the expertise to bring your vision to life.

Contact us today to discuss your project requirements and receive a personalized quote.

[laravelvuejs]

Vue JS 2 Tutorial #24 – Events (child to parent) Hey gang, in this Vue JS tutorial I'll introduce you to events, and how we can use them to pass data from a child component to a parent component in reaction to ... source

[geekymindsblog]

#RevisitJS Day 6

Different types of loops in JavaScript.

Follow @geekymindsblog for updates.

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Survey Link:

[timetocode]

How to mix vuex / vue with HTML5 games

Do you want a vue ui mixed with Babylon.js, Three.js, PIXI.js, canvas, Webgl, etc? Or maybe just to store some variables... or make reactive changes? Here's how it works in a few of my games... There are 3 main points of integration. These are mutating state in the store (writing to a variable in the store), reading state from the store (accessing the store variables from other places), and reacting to changes in state (triggering a function when a value in the store changes).

First, how do you expose the store? Well you can literally just export it and then import it. Or be lazy and stick it on window.store. You'll want to have a sensible order of initialization when your game starts up so that you don't try to access the store before it exists. But games already use loaders etc to load up their images and sounds, so there's a place for that. Load up the store first, probably.

For reading state from the store you can use a syntax like store.getters['setttings/graphicsMode']. It can be a little simpler than that, but this shows the synatx for a store nested within a store. In my game for example, I have a gameStore and a settingsStore just because I didn't feel like putting *all* of the properties into one giant vuex config. One can also access the state via store.state.settingsStore.someProperty but this is reading it directly instead of uses the getter. You probably want to use the getter, because then you can have a computed property, but either will work. For writing state to the store, the key is store.dispatch. Syntax is like store.dispatch('devStore/toggleDeveloperMenu', optionalPayload). This is invoking the *action* which means you need to create actions instead of just using a setter with this particular syntax.

So that's reading and writing! But what about reactivity? Well lets say your game logic dispatches some state which enters the store, you'll find that if that state is displayed in your vue ui it is already reactive and working. For example if you store.dispatch('game/updateHitpoints', { hp: 50 }) and there's already ui to draw the hitpoint bar on the hud that is going to change automagically. But what if you're pressing buttons in your vue-based settings menu or game ui? How does one get the game itself to react to that? Well there are two some what easy ways (among a million homegrown options). The first is to use the window to dispatch an event from the same action that you use to update the state, and be sure that you always use the action instead of directly accessing the setter. This will work fine, and I did it at first, but there is a more elegant and integrated way. That is to use store.watch.

The store.watch(selector, callback) will invoke your callback when the state defined by the selector you provide changes. For example this is how to setup your game to change the rendering settings in bablyon js (pseudocode) whenever someone changes the graphics level from low | medium | high | ultra. store.watch(state => state.settings.graphicsMode, () => changeGraphics(store.getters['settings/graphicsMode']));; The first arg is the selector function, which in this case specifies that we're watching graphicsMode for changes. The second function is what gets invoked when it does change. The actual body of my changeGraphics function is skipped b/c it doesn't really matter.. for me it might turn off shadows and downscale the resolution or something like that. Personally I create a function called bindToStore(stateSelector, callback) which sets up the watcher and invokes it once for good measure. This way when my game is starting it up, as all the watchers get setup listening for changes, that first first invocation also puts the ui into the correct state. So that's writing, reading, and reacting to state changes across the border between vuex/vue and any html5 app or game engine by integrating with getters, actions via dispatch, and watchers. Good luck and have fun!

[app-web-developers]

Why Vue.js+Laravel are Popular for Web App Development?

Laravel is the best web framework in the technology industry. It provides you the most prominent features and development tools that promote rapid web app development. Vue.js and Laravel are the best combinations to build web apps.

Laravel allows developers to simplify Laravel development services with clean and reusable code. Laravel offers great flexibility for creating the ideal platform for creating online apps and websites. The major benefit of Laravel is it’s a free, open-source-side PHP web framework. It follows the Model View Controller architecture (MMV).

As per the MVC architecture, Laravel use some of the prominent JavaScript libraries for the ‘View’ component so that developers can get a full-stack solution with Laravel as a strong server-side PHP web framework and any of the popular JS frameworks as the powerful front-end player.

If we talk about trends, most people work with Angular or React as they are two of the most trending front-end JS libraries in the framework niche. They have people’s trust because of tech giants like Google and Facebook supporting them. They think if giants like these are backing them up, it has to be the best framework. However, I don’t think it is the ideal way to decide on a front-end framework.

Today VueJS is one of the best frameworks gaining popularity with Laravel to develop a capable front-end development framework for making both single-page apps and enterprise apps.

Since we have VueJS for front-end frameworks to go with Laravel, it makes sense to analyze and compare this tool in the best manner possible, so we make the right decision for building your applications efficiently. Let’s get started – Laravel with VueJS

Vue is used for building single-page apps and great UI. As a JavaScript framework, it provides you compressive documentation which is very easy to understand. Since you are comfortable with basic HTML and JavaScript, you can develop apps fluently on Vue.

Here are the prominent features of Vue you should know About –Data Binding

Through data binding, you can manipulate elements of a webpage by using a web browser. Instead of complex programming and scripting, it uses dynamic HTML that helps developers to manage values or assign them to HTML attributes.

Animation/Transition

With the help of Vue, developers can apply transition in HTML elements once removed or added from the DOM. It has by default a transition component that has to be wrapped around the element for the transition effect. Also, you can use third-party animation libraries.

Virtual DOM

Vue makes use of a Virtual DOM so that developers can do direct changes that reflect in the DOM. There is also a copy of DOM which acts as a JavaScript data structure and helps the developer to save a lot of time.

Laravel with Vue

You doubt that how Laravel and Vue support each other as they both are based on the original programming language. Don’t think much, just get to the little core of it, Laravel and Vue support each other in more ways than one.

Let’s have a look over some of the top reasons for using Laravel with Vue:Reactive components

Vue helps you to create a full-scale event-driven web app that can manage all front-end activities. It allows you to use composable components that can be used as per the developer’s requirement. As Larval works with Vue, you can easily request data from the Laravel app and change the UI by switching components without reloading the page. You can make a content piece on your page editable and change it as per the need to request by a user without reloading the entire page.

Ideal for creating complex front-end pages

For creating an app with the frequent need for updates, you can use JavaScript for front-end web apps. Now you might face issues as the limitation of vanilla JavaScript, JQuery, and other JavaScript libraries that don’t us4e Virtual DOM will result in performance issues with frequent updates of the system. Hence, the load on the DOM gets so much that you start noticing performance lagging.

Single Page Applications

Single Page Application is one of the most popular services in the industry. It allows you to create a dynamic web page instead of relying on the traditional browser loading entire new pages.

The major benefit of SPA is the assets get loaded once and all other apps need to work as per user engagement with data request which typically requires low bandwidth to fulfill.

Vue is very easy to learn and provides developer space enough to experiment with code and to focus on writing code that works as JavaScript in all the different stages of your web app development project.

Here, your valid HTML is also a valid Vue template, so as a developer you can keep your CSS external as per your app’s requirement. It has prominent styling features and leveraging, where you can apply style changes to a single selected component on the go without affecting the other components.

Conclusion:

No doubt Vue is easier to learn and has some prominent features that complement Laravel as well. They both support each other and have immense potential. For best services, Shiv Technolabs Pvt. Ltd. is a leading Laravel Development Company to create stunning web apps and website solutions for your business.

[adveits]

Olum - Business & Events Management Agency Vue JS Template

[bibeva]

Vue JS #3 Use click event, v if directive and active class

[hydralisk98]

hydralisk98′s web projects tracker:

Core principles=

Fail faster

‘Learn, Tweak, Make’ loop

This is meant to be a quick reference for tracking progress made over my various projects, organized by their “ultimate target” goal:

(START)

(Website)=

Install Firefox

Install Chrome

Install Microsoft newest browser

Install Lynx

Learn about contemporary web browsers

Install a very basic text editor

Install Notepad++

Install Nano

Install Powershell

Install Bash

Install Git

Learn HTML

Elements and attributes

Commenting (single line comment, multi-line comment)

Head (title, meta, charset, language, link, style, description, keywords, author, viewport, script, base, url-encode, )

Hyperlinks (local, external, link titles, relative filepaths, absolute filepaths)

Headings (h1-h6, horizontal rules)

Paragraphs (pre, line breaks)

Text formatting (bold, italic, deleted, inserted, subscript, superscript, marked)

Quotations (quote, blockquote, abbreviations, address, cite, bidirectional override)

Entities & symbols (&entity_name, &entity_number, &nbsp, useful HTML character entities, diacritical marks, mathematical symbols, greek letters, currency symbols, )

Id (bookmarks)

Classes (select elements, multiple classes, different tags can share same class, )

Blocks & Inlines (div, span)

Computercode (kbd, samp, code, var)

Lists (ordered, unordered, description lists, control list counting, nesting)

Tables (colspan, rowspan, caption, colgroup, thead, tbody, tfoot, th)

Images (src, alt, width, height, animated, link, map, area, usenmap, , picture, picture for format support)

old fashioned audio

old fashioned video

Iframes (URL src, name, target)

Forms (input types, action, method, GET, POST, name, fieldset, accept-charset, autocomplete, enctype, novalidate, target, form elements, input attributes)

URL encode (scheme, prefix, domain, port, path, filename, ascii-encodings)

Learn about oldest web browsers onwards

Learn early HTML versions (doctypes & permitted elements for each version)

Make a 90s-like web page compatible with as much early web formats as possible, earliest web browsers’ compatibility is best here

Learn how to teach HTML5 features to most if not all older browsers

Install Adobe XD

Register a account at Figma

Learn Adobe XD basics

Learn Figma basics

Install Microsoft’s VS Code

Install my Microsoft’s VS Code favorite extensions

Learn HTML5

Semantic elements

Layouts

Graphics (SVG, canvas)

Track

Audio

Video

Embed

APIs (geolocation, drag and drop, local storage, application cache, web workers, server-sent events, )

HTMLShiv for teaching older browsers HTML5

HTML5 style guide and coding conventions (doctype, clean tidy well-formed code, lower case element names, close all html elements, close empty html elements, quote attribute values, image attributes, space and equal signs, avoid long code lines, blank lines, indentation, keep html, keep head, keep body, meta data, viewport, comments, stylesheets, loading JS into html, accessing HTML elements with JS, use lowercase file names, file extensions, index/default)

Learn CSS

Selections

Colors

Fonts

Positioning

Box model

Grid

Flexbox

Custom properties

Transitions

Animate

Make a simple modern static site

Learn responsive design

Viewport

Media queries

Fluid widths

rem units over px

Mobile first

Learn SASS

Variables

Nesting

Conditionals

Functions

Learn about CSS frameworks

Learn Bootstrap

Learn Tailwind CSS

Learn JS

Fundamentals

Document Object Model / DOM

JavaScript Object Notation / JSON

Fetch API

Modern JS (ES6+)

Learn Git

Learn Browser Dev Tools

Learn your VS Code extensions

Learn Emmet

Learn NPM

Learn Yarn

Learn Axios

Learn Webpack

Learn Parcel

Learn basic deployment

Domain registration (Namecheap)

Managed hosting (InMotion, Hostgator, Bluehost)

Static hosting (Nertlify, Github Pages)

SSL certificate

FTP

SFTP

SSH

CLI

Make a fancy front end website about 

Make a few Tumblr themes

===You are now a basic front end developer!

Learn about XML dialects

Learn XML

Learn about JS frameworks

Learn jQuery

Learn React

Contex API with Hooks

NEXT

Learn Vue.js

Vuex

NUXT

Learn Svelte

NUXT (Vue)

Learn Gatsby

Learn Gridsome

Learn Typescript

Make a epic front end website about 

===You are now a front-end wizard!

Learn Node.js

Express

Nest.js

Koa

Learn Python

Django

Flask

Learn GoLang

Revel

Learn PHP

Laravel

Slim

Symfony

Learn Ruby

Ruby on Rails

Sinatra

Learn SQL

PostgreSQL

MySQL

Learn ORM

Learn ODM

Learn NoSQL

MongoDB

RethinkDB

CouchDB

Learn a cloud database

Firebase, Azure Cloud DB, AWS

Learn a lightweight & cache variant

Redis

SQLlite

NeDB

Learn GraphQL

Learn about CMSes

Learn Wordpress

Learn Drupal

Learn Keystone

Learn Enduro

Learn Contentful

Learn Sanity

Learn Jekyll

Learn about DevOps

Learn NGINX

Learn Apache

Learn Linode

Learn Heroku

Learn Azure

Learn Docker

Learn testing

Learn load balancing

===You are now a good full stack developer

Learn about mobile development

Learn Dart

Learn Flutter

Learn React Native

Learn Nativescript

Learn Ionic

Learn progressive web apps

Learn Electron

Learn JAMstack

Learn serverless architecture

Learn API-first design

Learn data science

Learn machine learning

Learn deep learning

Learn speech recognition

Learn web assembly

===You are now a epic full stack developer

Make a web browser

Make a web server

===You are now a legendary full stack developer

[...]

(Computer system)=

Learn to execute and test your code in a command line interface

Learn to use breakpoints and debuggers

Learn Bash

Learn fish

Learn Zsh

Learn Vim

Learn nano

Learn Notepad++

Learn VS Code

Learn Brackets

Learn Atom

Learn Geany

Learn Neovim

Learn Python

Learn Java?

Learn R

Learn Swift?

Learn Go-lang?

Learn Common Lisp

Learn Clojure (& ClojureScript)

Learn Scheme

Learn C++

Learn C

Learn B

Learn Mesa

Learn Brainfuck

Learn Assembly

Learn Machine Code

Learn how to manage I/O

Make a keypad

Make a keyboard

Make a mouse

Make a light pen

Make a small LCD display

Make a small LED display

Make a teleprinter terminal

Make a medium raster CRT display

Make a small vector CRT display

Make larger LED displays

Make a few CRT displays

Learn how to manage computer memory

Make datasettes

Make a datasette deck

Make floppy disks

Make a floppy drive

Learn how to control data

Learn binary base

Learn hexadecimal base

Learn octal base

Learn registers

Learn timing information

Learn assembly common mnemonics

Learn arithmetic operations

Learn logic operations (AND, OR, XOR, NOT, NAND, NOR, NXOR, IMPLY)

Learn masking

Learn assembly language basics

Learn stack construct’s operations

Learn calling conventions

Learn to use Application Binary Interface or ABI

Learn to make your own ABIs

Learn to use memory maps

Learn to make memory maps

Make a clock

Make a front panel

Make a calculator

Learn about existing instruction sets (Intel, ARM, RISC-V, PIC, AVR, SPARC, MIPS, Intersil 6120, Z80...)

Design a instruction set

Compose a assembler

Compose a disassembler

Compose a emulator

Write a B-derivative programming language (somewhat similar to C)

Write a IPL-derivative programming language (somewhat similar to Lisp and Scheme)

Write a general markup language (like GML, SGML, HTML, XML...)

Write a Turing tarpit (like Brainfuck)

Write a scripting language (like Bash)

Write a database system (like VisiCalc or SQL)

Write a CLI shell (basic operating system like Unix or CP/M)

Write a single-user GUI operating system (like Xerox Star’s Pilot)

Write a multi-user GUI operating system (like Linux)

Write various software utilities for my various OSes

Write various games for my various OSes

Write various niche applications for my various OSes

Implement a awesome model in very large scale integration, like the Commodore CBM-II

Implement a epic model in integrated circuits, like the DEC PDP-15

Implement a modest model in transistor-transistor logic, similar to the DEC PDP-12

Implement a simple model in diode-transistor logic, like the original DEC PDP-8

Implement a simpler model in later vacuum tubes, like the IBM 700 series

Implement simplest model in early vacuum tubes, like the EDSAC

[...]

(Conlang)=

Choose sounds

Choose phonotactics

[...]

(Animation ‘movie’)=

[...]

(Exploration top-down ’racing game’)=

[...]

(Video dictionary)=

[...]

(Grand strategy game)=

[...]

(Telex system)=

[...]

(Pen&paper tabletop game)=

[...]

(Search engine)=

[...]

(Microlearning system)=

[...]

(Alternate planet)=

[...]

(END)

[ainsoftsolutions-blog]

Top 10 frameworks for Web App Development that continue to dominate 2020

Choosing the best frameworks for web app development is not an easy task. There are many web application frameworks available in the market, and each of them has its features, advantages and disadvantages, as well as the best range of application. A right decision of a framework can stimulate the processes, whereas a wrong choice can cost you additional time, and budget.

Web application framework or simply known as "web framework" is a software framework that is meant to support the development of web applications such as web services, web resources and web APIs. These frameworks are libraries that used to develop your application faster and smarter! App development frameworks are placed in the front and centre of the development community. 

Both backend and frontend frameworks are essential to ensure smooth development and arrangement of web and mobile apps. These days, the number of web frameworks has increased greatly. In this blog, you will find the most important backend and frontend frameworks which will help you choose the best one for your product. Here, we have created a list of top 10 Web App Development Frameworks for 2020, which are popular and can be useful for different types of projects. 

Top 5 Frontend Web Development Frameworks to follow 

Angular 

Angular stands as one of the best frameworks for web applications, and it holds the first position among the products of the Google company for developers. Its predecessor, known as AngularJS, has been released in 20019 and completely rewritten in 2016. This platform comes with more flexibility and a rich set of functions. Angular is being used for bulky apps as it offers high performance including two-way binding and dependency injection. The main advantage of Angular framework is its boost speed and productivity that allows quick prototyping. It is perfect for coding single-page applications and enterprise solutions, as well as web applications that demand dynamic content. 

Ember 

Ember can be considered the most entrusted and mature javascript web development frameworks. It is released in 2011 and has been fast-growing and getting more and more influence in the world of professional web development. The core features included in Ember are its advanced version management system, strict organization, and support of both the most modern standards and older technologies at the same time. Ember enables you to make properties out of pretty useful functions. This web application development framework is best suited for creating complicated web apps and it is used by many companies like Google, Microsoft, Netflix, and Heroku.

Flutter

This is another Google product, this one is used to developing mobile Android and iOS applications, as well as designing apps for Google Fuchsia OS. IFlutter comes with JS-free as it is written in a programming language called Dart, which is created by Google for creating server-side and web applications for both desktop and mobile programs. This enables Flutter to interact with the platform without passing through the JavaBridge. It doesn't require any of the UI components as they are implemented in Flutter already. This is the reason the games and other apps are written on this framework obtain their great speed. Flutter is used by Alibaba, Tencent, and Google.

React 

It is not a web app framework, but a JavaScript library. Yet it plays an important role in this list. React has gained popularity due to its revolutionary component-based architecture that was not being used in other frameworks. It is used for comparative quick and straightforward interface creation which is the main purpose of this framework. It also uses the JCX syntax which works the dom-manipulation much faster than before. It is best used for interface creation, and also mobile apps for iOS and Android. React is used by Facebook and Instagram. 

Vue.js 

Vue.js is one of the latest frameworks for web development which is getting popularity very quickly. The main feature of this framework is, if you having a product, you choose Vue.js on its part and everything will go fine without delays or troubles. It is designed in simple structure so that it is easy to solve issues. Another advantage of Vue.js is that it has pretty good documentation. Despite its stunning features, many people won't invest in Vue since it is not a better option for big companies like Google. 

Top 5 Web Application Frameworks for Backend 

Django 

There are 12,000 known projects were designed using Django. This is why it stands as one of the top 10 frameworks for Web App Development. Django is released in 2005, although it is one of the older website development frameworks, it has been a popular one due to its modern view on problem-solving and constant improvements. Django web app framework is created based on Python, which is one of the most used programming languages in the world. Flexibility, scalability, and universal use are the main advantages of Django. It has various packages as well as a large community and accurate technical documentation. By using Django, you can build any kind of application and it is especially used for creating MVPs for a startup. It is widely used by companies like Instagram, Pinterest, NASA, etc.

ExpressJs 

ExpressJs is a Node.js API and web app development framework. The main features of ExpressJs framework are speed and simplicity. There are many open-source frameworks and it is one of them which include a great number of out-of-the-box tools, it can be used for many solutions with just a couple of code lines. ExpressJs is easy to use one and popular technology largely used by Accenture, Uber, IBM, and many other companies. 

Ruby on Rails 

Today, around 826,000 live websites are developed by using Ruby on Rails framework (RoR), Airbnb, YellowPages, Groupon are many of them. Having this web framework will help in solving highly complicated development problems. It doesn't require more time to use this framework as it offers several tools and great libraries that reduce development time. Ruby on Rails framework is big on test automation which is an important hallmark for software quality. 

Spring 

It is based on Java, this web app framework is very familiar in the world of backend web development. The developers who are working with this language will sooner or later use this web application framework. The main purpose of the Spring framework is that it can simplify the creation of J2EE apps. Spring will help you by designing your future application. It works together to provide solutions for complicated projects. It is used to find out the weakened dependencies between objects. These features will help developers to do their work easier and more efficient. Various popular companies used the Spring framework. Wix, TicketMaster, and BillGuard are among them.

Symfony 

Symfony is a popular web framework among the community of PHP developers. The main advantage of the Symfony framework is that it reduces the time needed for the creation of complicated PHP-based web apps. Symfony framework is appreciated by a lot of people as it gives a wide range of features to the developers such as stability, high speed, flexibility, and a possibility for code reuse. It also used for creating high-performing apps, by providing a very useful event dispatcher together with dependency injection, and possibilities for code optimization. Symfony stands as one of the most reliable web frameworks and has been used this technology for creating 9000 live websites.

Here we discussed the Top 10 frameworks for Web App Development that continue to dominate 2020, and these frameworks are flexible and can be used for different types of projects. Larger communities and a high number of developers are using these frameworks to build their websites. Each framework has its features and you can choose the best one for your project as per your requirements. Considering the advantages and disadvantages of different frameworks will save your time and money in the future. 

If you are looking for the best web development company in India & Middle East, you are in the right place. 

[sciforce]

Introduction to Web Components

When you begin your journey as a developer, you learn that you should reuse code as much as possible. For front-end development, though, it is not so easy. When you have to create custom markup structures, they end up in being complex in style and script and using them multiple times can turn your page into a mess. Web Components, that are called the building blocks of web applications, promise to solve such problems.

Web components are a set of web platform APIs that allow us to create custom, reusable and encapsulated HTML tags for web pages and web apps. Such custom components and widgets build on the established standards, can work across various browsers, and can be used with any JavaScript library or framework that works with HTML.

Web components specifications

Web components incorporate four (in certain classifications, three) main technologies that can be used together to create versatile custom elements with encapsulated and reusable functionality:

Custom Elements

Custom elements are in essence fully-valid HTML elements, just like <div>, or <article>, but they have custom templates, behaviors and tag names (e.g. <one-dialog>) made with JavaScript APIs. They would always have a hyphen in their name, like <calendar-slider> and browser vendors have committed to create no new built-in elements containing a dash in their names to prevent conflicts. They can be used out-of-the-box with today’s most popular frameworks, including Angular, React, Vue, etc. with minimal effort. Custom elements contain their own semantics, behaviors, markup that can be checked in the HTML Living Standard specification.

Example:

class ComponentExample extends HTMLElement {    connectedCallback() {        this.innerHTML = `<h1>Hello world</h1>`;    } }customElements.define(‘component-example’, ComponentExample);

As you can see, custom elements (in this case, <component-example>) must in some way extend an HTMLElement in order to be registered with the browser.

Shadow DOM

The shadow DOM is an encapsulated version of the DOM. It isolates DOM fragments from one another, including anything that could be used as a CSS selector and the corresponding styles, in a somewhat similar to <iframe> manner. At the same time, when we create a shadow root, we still have total control over that part of our page, but scoped to a context. It is critically important as it ensures that a component will work in any environment even if the page has other CSS or JavaScript. More information on how to use encapsulated style and markup in web components can be found in the shadow DOM specification.

Example:

To attach a shadow root, we should run something like:

const shadowRoot = document.getElementById(‘shadow’).attachShadow({ mode: ‘open’ });shadowRoot.innerHTML = '    <style>    button {        color: purple;    }    </style>    <button id=”button”>Switch to use the CSS color purple <slot></slot></button>';

HTML Template

The HTML <template> element allows us to stamp out reusable templates of code inside a normal HTML flow that is not immediately rendered, but can be used at a later time when called upon. You can write a template of any shape or structure that could be created at a later time. To learn how to declare fragments of markup that go unused at page load, but can be instantiated later on at runtime you can check the HTML template element specification.

Example:

<template id=”movie-template”> <ul id=”movies”><li>    <span class=”name”></span> —    <span class=”year”></span> —    <span class=”director”></span> </li></ul> </template>

The example above doesn’t render any content until a script has consumes the template, instantiates the code and tells the browser what to do with it.

ES Modules

ES Modules is the recent ECMAScript standard for working with modules. The standardization of a module system for browsers completed with ES6 and browsers started implementing it, so that now ES Modules are supported in Chrome, Safari, Edge and Firefox (since version 60). Modules as collections of smaller components that can be reused in our application, let developers encapsulate all kinds of functionality, and expose this functionality to other JavaScript files, as libraries. The process of including JS documents in a standards based, modular, performant way is defined in the ES Modules specification.

Example:

// From component folder import { Users } from ‘../components/users.js’; import { Issues } from ‘../components/issues.js’;class Dashboard {    loadDashboard(){        // Create new instances        const users = new Users();        const issues = new Issues();        console.log(‘Dashboard component is loaded’);    } }export { Dashboard }

Benefits of web components

Web Components provide multiple benefits for developers and business.

Benefits for code:

Reusability: Once created, web components can be imported, used and reused in applications;

Readability: Compartmentalized, reusable code reduces the application size, simplified debugging and makes it more readable;

Declaration: You can more easily declare components on your page;

Composability: Shadow DOM allows composing applications with smaller chunks of code;

Extensibility: Custom elements API can extend browser elements or custom web components;

Scoping: Shadow DOM ensures DOM and CSS scoping so that styles don’t leak out and component DOM is local;

Interoperability: Native web components are interoperable at the browsers lowest (DOM) level.

Benefits for project

Brand consistency: Having your front-end application code split up into component libraries or even design systems can ensure brand consistency through the company. It also provides an additional benefit of the ability to be used by all teams, regardless of tech stack;

Cost-efficiency: Developers will have the ability to focus solely on making native reusable components, similar to LEGOs, and use these blocks in other applications across teams, which in the end saves money;

Faster deployments: Having ready-made code blocks, developers will be able to build and deploy applications more quickly. This leads to less time devoted to developing new features;

Quality improvement: As a by-product of reusing and reviewing the same code multiple times, the overall quality will improve in the course of time.

How to use web components?

To use a custom element you can simply import it and use the new tags in an HTML document. The ways to install custom elements, though can vary. Most elements today can be installed with NPM, but it is recommended to look at the README for the commands to install the specific element. NPM also handles installing the components’ dependencies. For more information on NPM, see npmjs.com.

Generally speaking, using a custom element is no different to using a <div> or any other element. Instances can be declared on the page, created dynamically in JavaScript, event listeners can be attached, and so on.

Libraries for building web components

Many libraries already exist that make it easier to build web components, including the following that we find useful:

Polymer provides a set of features for creating custom elements.

Slim.js provides data-binding and extended capabilities for components, using es6 native class inheritance.

Stencil generates standards-compliant web components.

Hybrids is a UI library for creating Web Components.

Angular provides the createCustomElement() function for converting an Angular component, together with its dependencies, to a custom element.

HTML and DOM specs already add features to support web components, letting web developers easily extend HTML with new elements with encapsulated styling and custom behavior. This proves that web components are already our present and it is time we start using them in applications.