#useReducer

[zeeshanamjad]

Dice simulation using useReducer hook

We already crated dice simulation program in two different ways, one using flux pattern and another one using redux library. Although redux is very popular and powerful library with lots of support for tools and testing, but it is bit complex and its learning curve is bit steep. It is very useful when we are trying to create a global state management by creating one application level store and…

[korshubudemycoursesblog]

🚀 From Novice to Pro: Build a Swiggy-Style Food App with React 18

Have you ever dreamed of building a food delivery app like Swiggy or Zomato using the most in-demand frontend library, React? Whether you're a beginner or looking to elevate your frontend development skills, React 18 opens up incredible possibilities���and the best way to master it is by getting hands-on.

Imagine being able to create a real-world food delivery platform, complete with features like dynamic menus, cart functionality, and routing—all from scratch. If that sounds like your jam, you're going to love the journey of learning React through the lens of building a Swiggy-style food app.

And here's the good news: you don’t have to do it alone. With the course Mastering React 18: Build a Swiggy-Style Food App, you’ll get everything you need—step-by-step guidance, real-world coding experience, and modern best practices.

Let’s break down why this is one of the smartest ways to learn React in 2025.

Why React 18 Is Still a Game-Changer in 2025

React has come a long way, but React 18 is where the future starts. With features like automatic batching, concurrent rendering, and the transition API, it brings smoother UI updates and better performance to your applications.

These updates are more than just technical improvements—they directly impact user experience. Whether you’re building a personal project or developing apps for clients, React 18 ensures that your interfaces are responsive, scalable, and lightning-fast.

In other words, learning React 18 gives you a serious edge in today’s frontend job market.

What Makes Building a Food Delivery App So Valuable?

You might wonder: why a food delivery app? Why not just build a to-do list or calculator?

Great question.

Here’s the truth: while basic projects help you learn syntax, real-world projects like a Swiggy-style app teach you how to think like a developer. They help you understand how to:

Structure components effectively

Manage application-wide state

Integrate APIs and fetch dynamic data

Use advanced features like lazy loading, routing, and conditional rendering

Optimize performance and manage code reusability

Plus, let’s be honest—a food app is way more fun to build and show off than a to-do list.

What You’ll Learn in This Course

The course Mastering React 18: Build a Swiggy-Style Food App isn’t just about React basics. It’s about learning to build a complete, fully-functional application that mimics the UX and UI of a real-world platform.

Here’s what you can expect to master:

🔹 Setting Up Your Development Environment

From setting up your folder structure to installing the latest React 18 version, the course walks you through everything. You'll even get hands-on with Vite or Create React App for fast and optimized development.

🔹 Component-Based Architecture

You’ll learn how to break your app into reusable, modular components—like headers, cards, menus, and cart elements—following modern practices.

🔹 Routing & Navigation

React Router DOM makes navigating through your app smooth and dynamic. Learn how to implement routes like Home, Restaurant Details, Checkout, and more.

🔹 State Management

Explore React’s built-in useState and useReducer hooks, and get introduced to state management tools like Redux Toolkit or Context API to manage global states like cart contents or restaurant menus.

🔹 Working with APIs

Discover how to fetch real-time data from mock APIs (or real ones!) and display it dynamically in your app. Learn about useEffect, asynchronous calls, and loading states.

🔹 Optimizing User Experience

Dive into performance tricks—like code splitting, lazy loading, and suspense—to make your app lightning-fast and SEO-friendly.

🔹 Responsive Design

Use CSS-in-JS, Tailwind CSS, or plain CSS to ensure your app looks great on all devices, from smartphones to desktops.

Who Is This Course For?

This course is for:

✅ Beginners who know some JavaScript and want to learn React by doing something practical ✅ Intermediate developers looking to refresh their skills and add a real-world project to their portfolio ✅ Freelancers & job seekers wanting to build portfolio-worthy projects that impress clients and employers

Whether you're aiming to land a job, freelance, or build your own startup, this course equips you with skills that truly matter.

Let’s Talk About Career Benefits 🎯

Once you’ve completed the app, you won’t just know React—you’ll own it. You’ll understand how to architect modern applications that can scale, perform, and delight users.

Employers love developers who:

Can build end-to-end projects

Understand state and data flow

Write clean, reusable code

Know how to debug and optimize

By learning through a real-world project like this food delivery app, you showcase exactly those skills.

Practical Features You’ll Build

To make things even more exciting, here are just some of the features you’ll bring to life in your food app:

🛍️ Cart Management

🍔 Dynamic Menus

📍 Restaurant Listings with Filters

📦 Add to Cart / Remove from Cart Functionality

🔄 Routing and Deep Linking

📲 Responsive Mobile Layout

🌐 SEO and Performance Optimization

By the end, you’ll have a polished app that looks and works like something you’d find on the App Store.

Why This Course Over Others?

There are dozens of React tutorials out there. So why pick this one?

Because it’s goal-oriented, real-world focused, and result-driven. Instead of showing you dry concepts in isolation, it walks you through a real business case: a Swiggy-style food app. It helps you think like a product engineer—not just a coder.

Also, this course is regularly updated, uses modern tooling, and helps you understand the why behind the how. That’s crucial when leveling up.

Learn by Doing: No More Tutorial Hell

The problem with most courses? You watch videos, nod along… and forget it all by the next day.

This course is different.

It encourages active learning. You’ll build the app alongside the instructor, write real code, and solve actual challenges. That’s the secret to mastering React and escaping “tutorial hell.”

Build Confidence Through Action

By the end of this course, you’ll have:

✅ A complete, responsive food delivery app in your portfolio ✅ A clear understanding of how React 18 works under the hood ✅ Real confidence to take on new frontend projects ✅ The ability to contribute to or lead React-based projects

It’s not just about watching someone code. It’s about gaining real experience that sticks.

Bonus: Reusable Codebase for Future Projects

Once you've completed the food app, you can reuse its architecture and logic for future e-commerce platforms, restaurant websites, or client projects. You’ll save time, work smarter, and deliver faster.

In short: you’ll have a strong foundation for your React journey.

Get Started Today

There’s no better time to learn React 18 than right now. The frontend ecosystem is thriving, and skills like these open doors—whether you want to work at a startup, land freelance gigs, or build your own product.

Ready to turn your coding dreams into reality?

👉 Mastering React 18: Build a Swiggy-Style Food App is the ultimate hands-on guide to modern React development.

Start building. Start growing. Start coding like a pro. 🚀

[minimanias]

Flexpeak - Front e Back - Opções

Módulo 1 - Revisão de JavaScript e Fundamentos do Backend: • Revisão de JavaScript: Fundamentos • Variáveis e Tipos de Dados (let, const, var) • Estruturas de Controle (if, switch, for, while) • Funções (function, arrow functions, callbacks) • Manipulação de Arrays e Objetos (map, filter, reduce) • Introdução a Promises e Async/Await • Revisão de JavaScript: Programação Assíncrona e Módulos • Promises e Async/Await na prática Módulo 2 – Controle de Versão com Git / GitHub • O que é controle de versão e por que usá-lo? • Diferença entre Git (local) e GitHub (remoto) • Instalação e configuração inicial (git config) • Repositório e inicialização (git init) • Staging e commits (git add, git commit) • Histórico de commits (git log) • Atualização do repositório (git pull, git push) • Clonagem de repositório (git clone) • Criando um repositório no GitHub e conectando ao repositório local • Adicionando e confirmando mudanças (git commit -m "mensagem") • Enviando código para o repositório remoto (git push origin main) • O que são commits semânticos e por que usá-los? • Estrutura de um commit semântico: • Tipos comuns de commits semânticos(feat, fix, docs, style, refactor, test, chore) • Criando e alternando entre branches (git branch, git checkout -b) • Trabalhando com múltiplos branches • Fazendo merges entre branches (git merge)  • Resolução de conflitos • Criando um Pull Request no GitHub Módulo 3 – Desenvolvimento Backend com NodeJS • O que é o Node.js e por que usá-lo? • Módulos do Node.js (require, import/export) • Uso do npm e package.json • Ambiente e Configuração com dotenv • Criando um servidor com Express.js • Uso de Middleware e Rotas • Testando endpoints com Insomnia • O que é um ORM e por que usar Sequelize? • Configuração do Sequelize (sequelize-cli) • Criando conexões com MySQL • Criando Models, Migrations e Seeds • Operações CRUD (findAll, findByPk, create, update, destroy) • Validações no Sequelize • Estruturando Controllers e Services • Introdução à autenticação com JWT • Implementação de Login e Registro • Middleware de autenticação • Proteção de rotas • Upload de arquivos com multer • Validação de arquivos enviados • Tratamento de erros com express-async-errors Módulo 4 - Desenvolvimento Frontend com React.js • O que é React.js e como funciona? • Criando um projeto com Vite ou Create React App • Estruturação do Projeto: Organização de pastas e arquivos, convenções e padrões • Criando Componentes: Componentes reutilizáveis, estruturação de layouts e boas práticas • JSX e Componentes Funcionais • Props e Estado (useState) • Comunicação pai → filho e filho → pai • Uso de useEffect para chamadas de API • Manipulação de formulários com useState • Context API para Gerenciamento de Estado • Configuração do react-router-dom • Rotas Dinâmicas e Parâmetros • Consumo de API com fetch e axios • Exibindo dados da API Node.js no frontend • Autenticação no frontend com JWT • Armazenamento de tokens (localStorage, sessionStorage) • Hooks avançados: useContext, useReducer, useMemo • Implementação de logout e proteção de rotas

Módulo 5 - Implantação na AWS • O que é AWS e como ela pode ser usada? • Criando uma instância EC2 e configurando ambiente • Instalando Node.js, MySQL na AWS • Configuração de ambiente e variáveis no servidor • Deploy da API Node.js na AWS • Deploy do Frontend React na AWS • Configuração de permissões e CORS • Conectando o frontend ao backend na AWS • Otimização e dicas de performance 

Matricular-se  

[supedium]

Safeguarding Against Mobile App Vulnerabilities

https://supedium.com/cyber-security-tips/safeguarding-against-mobile-app-vulnerabilities/ #dataprotection #incidentresponse #mobileappsecurity #securecoding #usereducation #vulnerabilities Safeguarding Against Mobile App Vulnerabilities https://supedium.com/cyber-security-tips/safeguarding-against-mobile-app-vulnerabilities/

[emilgasarayev]

Frontend Developer React ilə Veb Sayt Yaratması

React tətbiqinin strukturu adətən komponentlərə əsaslanır. Hər bir komponent, müəyyən bir hissəni idarə edir və bu komponentlər tətbiqin müxtəlif funksiyalarını təşkil edir. Frontend Developer React ilə veb sayt yaratmağa başlamazdan əvvəl əsas komponent strukturu qurulmalıdır.

React Router, tətbiqlər arasında naviqasiyanı idarə etməyə imkan verir. Veb saytınızda fərqli səhifələr arasında keçid etmək üçün React Router istifadə edərək Link və Route komponentlərindən istifadə edə bilərsiniz.

React, tətbiqinizin vəziyyətini idarə etmək üçün state istifadə edir. Veb saytınızın müxtəlif hissələrində dinamik məlumatları göstərmək üçün React-ın useState və useReducer hooklarından istifadə edərək state idarəetməsini tətbiq edə bilərsiniz.

React, istifadəçi daxil etdiyi məlumatları toplamaq və idarə etmək üçün formaları asanlıqla idarə etməyə imkan verir. Formik və React Hook Form kimi kitabxanalar, forma daxil etmə və doğrulama prosesini sadələşdirir.

[react-js-course]

State Management in React

🌟 Understanding State Management in React JS 🌟

React's state management is key to building dynamic and responsive apps, but as apps grow, managing state can get tricky! Here’s a quick overview:

🔄 What is State Management?

State management in React handles and shares data across components. Think of it as a way to keep your app’s data flow smooth, making sure each component displays the right data at the right time!

💡 Why is it Important?

1️⃣ Consistency: Keeps the UI up-to-date with the latest data 2️⃣ Performance: Avoids unnecessary re-renders 3️⃣ Scalability: Essential for large, complex applications

⚙️ Tools for State Management

useState & useReducer: Great for managing local state in functional components

Context API: Ideal for simple global state

Redux & MobX: Perfect for larger applications needing centralized state

Understanding React JS state management is the first step to mastering React! #ReactJS #StateManagement #WebDevelopment

[zeeshanamjad]

Dice simulation using Context API

We created the dice simulation program using three approaches. Flux pattern https://zamjad.wordpress.com/2023/09/10/flux-design-pattern-using-typescript-in-react/ Reduc https://zamjad.wordpress.com/2023/09/22/dice-simulation-using-redux/ and useReducer https://zamjad.wordpress.com/2023/09/24/dice-simulation-using-usereducer-hook/ Now let’s do the same with Context API. Context API introduced in…

[web-age-solutions]

Build the Future of the Web with React Training from Web Age Solutions

React has become a dominant force in the world of web development. This open-source JavaScript library empowers you to build dynamic, single-page applications (SPAs) focusing on user experience. Its efficient approach to rendering UI updates makes it ideal for creating complex and interactive web applications. 

Web Age Solutions offers a comprehensive suite of React training courses designed to equip you with the skills necessary to thrive in the web development landscape. Step into the forefront of web development by learning React.

The Benefits of React Training:

Investing in React training yields multiple benefits for both individual developers and organizations:

Enhanced User Experience: React's virtual DOM (Document Object Model) enables efficient UI updates, leading to smooth and responsive user interactions.

Simplified Development Process: Reusable components, a core principle of React, promote code maintainability and streamlined development workflows.

Large Developer Community: A vast and active community of React developers provides access to extensive learning resources and support.

Increased Job Opportunities: React skills are highly sought-after in today's job market, making you a more attractive candidate for web development positions.

Scalability and Performance: React applications are known for their scalability, allowing them to grow gracefully as your web application evolves.

What You'll Gain from Web Age Solutions’ React Training:

Master the Fundamentals of React: "React JavaScript Programming" provides a solid foundation in React. You'll learn core concepts like components, JSX syntax, state management, props, and lifecycle methods. This course equips you with the building blocks to start developing basic React applications.

Embrace the MERN Stack: "MERN" delves into the popular MERN stack, a powerful combination of technologies frequently used for modern web development. This course covers React alongside MongoDB (database), Express.js (backend framework), and Node.js (JavaScript runtime environment). By mastering the MERN stack, you'll gain the ability to build full-stack web applications efficiently.

Tame Your Application's Data with Redux: "Redux" introduces you to a powerful state management library essential for handling complex application data in React projects. You'll learn how to structure your application's state, define actions to update that state, and create reducers to handle those actions. This knowledge allows you to build robust and scalable React applications.

Dive Deeper with Advanced React: For experienced developers, "Advanced React" offers a deep dive into advanced features like custom hooks, useReducer, events, sub-routes, and more. This hands-on course pushes your React development skills to the next level, empowering you to tackle intricate web application development challenges.

Web Age Solutions: Your Partner in React Mastery

Investing in React training with Web Age Solutions is a strategic move towards advancing your web development skills and career prospects. Our comprehensive courses, tailored to various learning levels, empower you to build dynamic, responsive, and scalable web applications with confidence. Flexible delivery options and expert instruction ensure that your learning experience is practical and impactful.

Are you ready to build engaging, modern web applications? Explore their React training course catalog or contact Web Age Solutions today to discuss your specific training needs. Their commitment to excellence in education will provide you with the knowledge and skills to excel as a proficient React developer. Join and take the first step towards mastering the future of web development.

For more information visit: https://www.webagesolutions.com/courses/react-training

[primathontech]

Exploring React Hooks: A Practical Guide to Functional Components

Introduction

React Hooks revolutionized the way developers write React components by introducing a more functional approach to state management and side effects. In this comprehensive guide, we will explore React Hooks in depth, covering their benefits, use cases, and practical examples to help you harness the power of functional components in your React applications.

What are React Hooks?

React Hooks are functions that enable you to use state and other React features in functional components. They allow you to reuse stateful logic across components without changing the component hierarchy. Some key React Hooks include useState, useEffect, useContext, and useReducer, each serving a specific purpose in managing component state and side effects.

Benefits of React Hooks

Simplified Logic: Hooks enable you to encapsulate and reuse complex logic in functional components, leading to cleaner and more maintainable code.

Improved Readability: By removing the need for class components and lifecycle methods, Hooks make code easier to read and understand.

Better Performance: Functional components with Hooks can optimize re-renders and improve performance compared to class components.

Code Reusability: Hooks promote code reusability by allowing you to extract and share logic across multiple components.

Practical Examples of React Hooks

useState: Manage component state in functional components.

const [count, setCount] = useState(0);

useEffect: Perform side effects in functional components.

useEffect(() => { // side effect code }, [dependency]);

useContext: Access context values in functional components.

const value = useContext(MyContext);

useReducer: Manage more complex state logic in functional components.

const [state, dispatch] = useReducer(reducer, initialState);

Best Practices for Using React Hooks

Keep Hooks at the Top Level: Ensure that Hooks are called at the top level of your functional components, not inside loops, conditions, or nested functions.

Follow Naming Conventions: Prefix custom Hooks with "use" to distinguish them from regular functions.

Separate Concerns: Split logic into separate custom Hooks for better organization and reusability.

Optimize Performance: Use the useMemo and useCallback Hooks to optimize performance by memoizing values and functions.

Conclusion

React Hooks have transformed the way developers approach state management and side effects in React applications, offering a more functional and concise alternative to class components. By mastering React Hooks like useState, useEffect, useContext, and useReducer, you can enhance the efficiency, readability, and maintainability of your codebase. Whether you're a seasoned React developer or just starting out, exploring React Hooks is a valuable journey towards building more robust and scalable functional components in your projects. For advanced implementations or assistance with React development, consider partnering with a reputable React.js development company or hire React.js developers to elevate your applications to the next level.

[vegboxuk]

7 Tips for Making the Most of Your Local Veg Box

Veg boxes overflow with fresh, in-season goodness. But without proper planning, some contents may go unused. Avoid waste and discover new favorite recipes using these tips for maximizing your Local Veg Box near Me enjoyment.  1. Review Upcoming Selections in AdvanceMany Veg Box Scheme near Me share expected items online each week. Check their listings to inspiration strike before opening your box. Scan recipes to spot ones utilizing that week's bounty. Add necessary pantry items to grocery lists for complementary ingredients.2. Seek Out Recipe SuggestionsReputable veg box companies like MyVegBox provide recipes spotlighting available items each delivery. Trying recommended dishes prevents random guessing for what to cook. These kitchen-tested ideas transform unique finds into spectacular meals the entire household loves.3. Get Adventurous with New IngredientsDonÕt let unfamiliar fruits or veggies intimidate your culinary skills. Lean into veg box surprises trying produce outside your norms. Expanding food horizons presents fun opportunities to elevate health and joy in cooking. Before dismissing an odd root or green, explore quick pickle, stir fry or soup options putting it to flavorful use.4. Prep Produce for On-Hand UseReduce waste letting fresh ingredients languishing untouched for days. Soon as unboxing, wash, dry, chop and store prepped veggies in containers for fast cooking access later. With prepped fruits and veggies grabbing and mixing into meals becomes way more likely.5 Fresh Herb InspirationFragrant bounties of basil, cilantro, dill and other herbs energize dishes year-round. Beyond tossing them into recipes as directed, sprinkle them onto proteins, salads, butters, oven fries and anything craving fresh zing. With such short prime usage times, take advantage adding bright accents with every herb bunch.Share and Learn with the CommunityJoining a Veg Box Scheme near Me connects you with a community of like-minded individuals. Share tips, recipes, and experiences with fellow members or on social media.

Attend local events or workshops if available.

Exchange recipes and storage tips with neighbors and friends.

Engage with the veg box community online for inspiration and support.

Community engagement enhances your veg box experience and fosters a sense of belonging. Seek Out Storage GuidanceMyVegBoxÕs website shares optimal storage methods for maximizing shelf life. Follow their produce-specific tips on refrigeration, ethylene gas sensitivity, ideal humidity and more. Proper aftercare ensures you savor every last bite of delivered goodness.Wrapping UpObtaining a local veg box from VegBox.org.uk is not only a convenient way of receiving fresh produce but also a way of life which is good for your health, the community, and the planet. By taking these suggestions, you will get the most of your box, minimize food waste, and savor different healthy, yummy meals throughout the week. Submerge into the world of seasonal, local produce and find joy and satisfaction of sustainable living on the door step of North London.

[thereactcompany]

How Do React Hooks Use the Push Method?

The push () method accepts an array and returns a new length after adding one or more members to the end of the array. The push method typically aids in adding the value to the array. It is a practical way to assign one or more key-value pairs to the object using bracket notation.

Using the push method makes assigning the value simple. These choices work well for adding the item to the array’s end. React hooks enable minimal code that may be used to quickly and easily create comparable features. These are good choices for using the lifecycle method in combination with the React state, even without using the writing class.If you need to integrate the Push method in your React apps then you need to hire React experts who will simply integrate this functionality in your app.

What are React Hooks?

React Hooks are a type of function that lets users connect function components to react state and lifecycle elements. UseState, useEffect, useReducer, useRef, use Callback, useContext, and useMemo are just a few of the built-in hooks that React offers. We can also design your own custom hooks.

As of React version 16.8, hooks for React are accessible. Before the introduction of hooks, only the class component—not the functional component—was able to preserve state. After the introduction of hooks, the functional component’s state can also be maintained.

Using all of React’s features, you may develop fully functional components by implementing the hooks concept. Unlike classes, this enables us to make everything simpler.

Advantages of React Hooks

Improving the Component Tree’s Readability

As it makes it possible to read context information outside of JSX, the “useContext” hook has been an invaluable tool for significantly increasing the readability of JSX. Although “useContext” makes it even cleaner, the static “contextType” assign in class components made this possible in the past.

Not only is the code easier to read, but using the React dev tools to debug makes it much simpler to read the component tree. This is really beneficial for components that were previously using many nested contexts.

Incorporating Adverse Effects

It was possible to add event listeners in “componentDidMount” and remove them later in “componentWillUnmount” for class components, which divided the setup and removal of side effects across several lifecycle methods. Any component with several side effects may result in code that is harder to read and has related functionality distributed over a number of disjointed lifecycle methods.

However, the “useEffect” handles side effect creation and breakdown, which fixes this issue. In order to accomplish this, it lets the effect function return a function that splits down the effect.

Acceptable and Reusable Logic

Undoubtedly, custom hooks are an excellent way to share functionality between different components. A custom hook is basically a function that, like a regular hook, can be called within a functional component and utilizes one or more React hooks.

Must You Include The Push Method?

The call() or apply()objects, which have a distinctive resemblance to arrays, are usually utilized in conjunction with the Push method. The push approach, in particular, depends on the length of the property, which makes it simple to choose which feature is best for beginning to insert values to a certain extent.

The index is set to 0 when the length property is not translated to a numerical value. In particular, it covers the potential for length with the nonexistent. In the process, length cases will be produced.

As strings are native, array-like objects are not appropriate choices for use in applications. These strings offer an appropriate solution to perfection and are unchangeable. Object parameters that resemble arrays are a good method for quickly figuring out the whole plan of action for excellence.

Hiring React js developers is a quick and hassle-free choice if you want to add the push function to your React hooks. React useState() hooks are required to update the array; they do not include the push() method for the Array object. In this process, the spread operator is a very practical choice.

push(element0)

push(element0, element1)

push(element0, element1, /* ... ,*/ elementN)

How Can I Use UseState() To Create An Array State?

The new length property of the object is included in the return value, which makes it easier to generate the Array state using useState(). To enable the array state variable, you must use the useState() hook.

import React from "react";

const { useState } = React;

const [myArray, setMyArray] = useState([]);

The variable containing the state array and the special technique for quickly updating each property are returned by the useState() hook. Without the useState() method, updating the array is typically very challenging.

It is quite convenient to add the new element to the State Array. It would be quite easy to add a new member to the array when this state is present.

myArray.push(1)

It’s a great option to use the best method return from useState while utilizing React to update the array with ease. Even with the new array that is formed by merging the old array with the new members in the JavaScript Spread operator, the update method, or setMyArray(), is useful for modifying the state. Using the useState update function makes it easy to create the new array from the old array.

setMyArray(oldArray => [...oldArray, newElement]);

It is convenient to utilize the first technique, and the function is enabled with the old array as the first parameter. Better access to older arrays containing state objects is also provided.

onChange = value => checked => {

this.setState({ checked }, () => {

this.setState(prevState => {

Object.assign(prevState.permission, { [value]: this.state.checked });

});

});

};

<CheckboxGroup

options={options}

value={checked}

onChange={this.onChange(this.props.label)}

/>

Adding The Array In React State Using Hooks

The.concat() function is useful for producing the speedy updating even without any problem, however the.push() function does not work well with updating the state in React app development. The spread operator makes it simple to enable JavaScript array state. In the React state, there are numerous methods for quickly adding an item to the array.

Pushing the item into the array is not a convenient choice because it is not quite as convenient to change the state directly. Using React Hooks to update state is made simple by the array’s React state. It’d be far more practical to store JavaScript objects with the array in React state.

1. The push() method adds new elements to the array’s end.

2. The push() method modifies the array’s length.

3. The push() function returns a new length.

For instance, useState is a hook that is enabled with functional components that make it simple to add additional functionality for the local state. React seems like a good choice for maintaining state in between renders.

The command useState([]) would automatically initialize the state to contain an empty array because these are known as the useState Hooks. The array is shown and is a suitable parameter for passing useState().

import React, { useState } from "react"

import ReactDOM from "react-dom"

function App() {

// React Hooks declarations

const [searches, setSearches] = useState([])

const [query, setQuery] = useState("")

const handleClick = () => {

// Save search term state to React Hooks

}

// ...

Pass a callback to the function that creates a new array in the state setter.

To add the new element to the end of the state array, we can pass in a callback that produces a new array. This would update the state array.

import React, { useState } from "react";

export default function App() {

const [arr, setArr] = useState(["Demo"]);

return (

<div classname="App">

<button onclick="{()" ==""> setArr((oldArray) => [...oldArray, "Demo"])}>

Click Here

</button>

<div>

{arr.map((a, i) => (

<p key="{i}">{a}</p>

))}

</div>

</div>

);

}

When using React Hooks, why does.Push() not work?

These are known as the reducers, and they are typically enabled by using the setSearches() major method. For updating the passed value’s current state, it is a handy alternative. TypeError, the search engine, is used to update these features with a number from an array. As the array’s method and state are enabled by .push, the state of [] replaces for the Map React state, and .length equals 1.

JavaScript does not apply code 1.map() when the.map() functioned.

The setSearches state setter or reducer function from React Hooks is a very practical way to update the state without altering the previous one. The rescue operation is taking place at Array. prototype.Concat() is a function that is used in push().

Reason.Concat() creates a new array in order to update the state. The old array would remain fully intact automatically. They would inevitably offer a higher return on the modified array.

setSearches([query].concat(searches)) // prepend to React State

To get the combined arrays quickly, you can use a JavaScript spread operator. In the React state, they are used to add the item to the array.

[...searches, query] to add a new entry to the array's end

To prepend an item to the front of the array, use [query,...searches].

// Save search term state to React Hooks with spread operator and wrapper function

// Using .concat(), no wrapper function (not recommended)

setSearches(searches.concat(query))

// Using .concat(), wrapper function (recommended)

setSearches(searches => searches.concat(query))

// Spread operator, no wrapper function (not recommended)

setSearches([...searches, query])

// Spread operator, wrapper function (recommended)

setSearches(searches => [...searches, query])

Implement the State Setter Function

It is possible to give a callback into the state setter function that useState returns, which takes the old value of a state and produces a new one.

We only need to return a duplicate of the array in order to add the member we want to push to the end.

import { useState } from "react";

export default function App() {

const [arr, setArr] = useState([0]);

return (

<div><button> setArr((arr) =&gt; [...arr, arr[arr.length - 1] + 1])} &gt; push </button> {JSON.stringify(arr)}</div>

); }

Conclusion

React component state arrays can be updated with new items at the end by sending a callback to the state setter function, which receives the old array value and returns the new and latest array value. As we saw above, we can modify the state of an array in React by using the Push function, specifically the useState hook. Incorporating new elements to JavaScript arrays is appropriate when using these methods. For integrating the React applications in the Push Method, you need to hire React Expert from a reputable React app development company in the USA.

Need More Information? Contact Us Today.

The React Company : Your Partner in React Excellence.

[contadorpj]

🔒 Mantenha Sistemas Atualizados #UpdateRegularly

Atualize regularmente sistemas operacionais, aplicativos e software de segurança para corrigir vulnerabilidades.

🚧 Utilize Firewalls Eficazes #FirewallProtection

Configure firewalls robustos para monitorar e controlar o tráfego de rede, protegendo contra ameaças externas.

🛡 Implemente Antivírus Atualizados #AntivirusProtection

Utilize software antivírus atualizado para detectar e remover ameaças, garantindo uma camada adicional de segurança.

🔄 Faça Backup Regularmente #BackupRoutine

Realize backups periódicos para garantir a recuperação de dados em caso de incidentes, como ataques de ransomware.

📏 Aplique Princípios de Least Privilege #LeastPrivilege

Atribua as permissões mínimas necessárias a usuários e sistemas, reduzindo o impacto de possíveis violações.

🔐 Utilize Autenticação Multifatorial #MultiFactorAuthentication

Reforce a segurança com autenticação multifatorial para impedir acessos não autorizados, mesmo em caso de comprometimento de senhas.

🔍 Monitore Atividades Suspeitas #MonitorSuspiciousActivity

Implemente sistemas de monitoramento para identificar atividades suspeitas e responder rapidamente a possíveis ameaças.

🌐 Proteja Redes sem Fio Adequadamente #WirelessSecurity

Configure corretamente as redes sem fio, utilizando protocolos de segurança como WPA3 e ocultando SSIDs.

💼 Eduque Usuários sobre Segurança #UserEducation

Forneça treinamentos regulares aos usuários sobre práticas seguras online e os riscos associados à engenharia social.

🕵 Realize Avaliações de Segurança #SecurityAssessments

Conduza avaliações regulares de segurança para identificar vulnerabilidades e garantir a eficácia das medidas implementadas.

🚫 Restrinja Dispositivos Externos #DeviceRestrictions

Controle dispositivos externos, como USBs, para evitar a introdução de malware na infraestrutura.

[hindintech]

You can learn ReactJS easily, Here's all you need to get started:

1.Components

• Functional Components

• Class Components

• JSX (JavaScript XML) Syntax

2.Props (Properties)

• Passing Props

• Default Props

• Prop Types

3.State

• useState Hook

• Class Component State

• Immutable State

4.Lifecycle Methods (Class Components)

• componentDidMount

• componentDidUpdate

• componentWillUnmount

5.Hooks (Functional Components)

• useState

• useEffect

• useContext

• useReducer

• useCallback

• UseMemo

• UseRef

• uselmperativeHandle

• useLayoutEffect

6.Event Handling

• Handling Events in Functional Components

• Handling Events in Class Components

7.Conditional Rendering

• it Statements

• Ternary Operators

• Logical && Operator

8.Lists and Keys

• Rendering Lists

• Keys in React Lists

9.Component Composition

• Reusing Components

• Children Props

• Composition vs Inheritance

10.Higher-Order Components (HOC)

• Creating HOCs

• Using HOCs for Reusability

11.Render Props

• Using Render Props Pattern

12.React Router

• <BrowserRouter>

• <Route>

• <Link>

• <Switch>

• Route Parameters

13. Navigation

• useHistory Hook

• useLocation Hook

State Management

14.Context API

• Creating Context

• useContext Hook

15.Redux

• Actions

• Reducers

• Store

• connect Function (React-Redux)

16.Forms

• Handling Form Data

• Controlled Components

• Uncontrolled Components

17.Side Effects

• useEffect for Data Fetching

• useEffect Cleanup

18.AJAX Requests

• Fetch AP

• Axios Library

Error Handling

19.Error Boundaries

• componentDidCatch (Class Components)

• ErrorBoundary Component (Functional

Components)

20.Testing

• Jest Testing Framework

• React Testing Library

21. Best Practices

• Code Splitting

• PureComponent and React.memo

• Avoiding Reconciliation

• Keys for Dynamic Lists

22.Optimization

• Memoization

• Profiling and Performance Monitoring

23. Build and Deployment

• Create React App (CRA)

• Production Builds

• Deployment Strategies

Frameworks and Libraries

24.Styling Libraries

• Styled-components

• CSS Modules

25.State Management Libraries

• Redux

• MobX

26.Routing Libraries

• React Router

• Reach Router

[scriptzol]

Which React hook is used to perform side effects in functional components?

A) useState B) useEffect C) useContext D) useReducer