#interview questions of node js

[codeonedigest]

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In this tutorial, we will create & setup Google Compute Engine Virtual Machine in Google Cloud Platform. We will be deploying & running javascript APIs in google compute engine virtual machine. We will be opening firewall port for incoming API request in VM. We will also learn how to deploy API code and run API service in google compute engine virtual machine. I will provide step by step guide to…

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[pankaj-sharmaa]

React JS is one of the most popular Javascript Framework and it is an essential component of the MERN stack. MERN stack is an effective, cost-friendly solution and supported by Facebook. In this post we are discussing about some basic Interview Questions for MERN Stack Developer roles.

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Of late everyone’s been talking about Node.Js and aspires to learn it because the trends of web development seem to be heading its way. The infrastructure of sites like LinkedIn, eBay, and PayPal is based on Node.Js. It allows you to mold your application according to your requirements. No doubt it’s becoming widely accepted these days! 

[gigamein]

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[dskcode]

Node Js Coding Questions and Answers

This article provides Node js coding questions and answers to help you better understand the basics of Node.js development. Get the answers you need to master Node.js coding and take your development skills to the next level.

Reverse a string: Write a function to reverse a given string in Node.js.

function reverseString(str) {     return str.split('').reverse().join(''); }

Explanation: The reverseString function takes a string as input. It uses split('') to convert the string into an array of characters, then uses reverse() to reverse the order of the array, and finally uses join('') to convert the array back to a string with reversed characters.

Find the first non-repeated character: Write a function to find the first non-repeated character in a given string in Node.js.

function findFirstNonRepeatedChar(str) {     let charCount = {};     for (let char of str) {         charCount[char] = (charCount[char] || 0) + 1;     }     for (let char of str) {         if (charCount[char] === 1) {             return char;         }         }     return null; }

Explanation: The findFirstNonRepeatedChar function uses an object charCount to keep track of the count of each character in the input string. It then iterates through the string twice. First, it counts the occurrences of each character and stores them in charCount. Second, it finds the first character with a count of 1 in charCount and returns it as the first non-repeated character.

[rosesumonme]

80+ Node JS Interview Questions And Answers | Digital Marketing Seva

Clear Node JS Interview in a single attempt! Find here a list of top frequently asked Node JS Interview Questions And Answers For Freshers and Experienced.

[bestinterviewquestion]

Most Popular Node JS Interview Questions

Below there are a few goods and popular node js interview questions listed that everyone who wants to become a node.js developer should know.

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Hire node js Developer: Questions To Ask In An Interview For Node js Developer

No matter which employment kind you choose, there are two essential classes of questions you must ask in real-time earlier than hiring a net utility engineer:

Hard skills: You have to continually make positive that the Node.js developer you have an interview with has the capabilities you want for your projects. Asking questions about Node.js and JavaScript (i.e., the environment’s features, developing a cross-platform Android or iOS app, node.js frameworks, questions round performance and API or agile, etc.) will confirm the candidate’s difficult skills.

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[pankaj-sharmaa]

MERN stack is a highly popular technological stack and consists of JS-based components like Mongo DB, Express JS, React JS, and Node JS. Today, many development companies are hiring Mern Stack experts. To start a career in this domain you need to clear the MERN Stack Interview.

[kaveribadami]

Top 20 jQuery Interview Questions and Answers for Experienced(Download Free PDF)

1. What's jQuery? Ans: JQuery isn't a programming language but a nicely composed JavaScript code. 2. Why jQuery is necessary? Ans: JQuery is necessary for the next listing: Employed to create browser compatible web applicationsEnhance the Operation of a programExtremely Fast and adaptiveUI associated functions are composed in minimal traces of codes. 3.Whether jQuery HTML work for both HTML and XML documents?Ans: No, jQuery HTML only works for HTML documents not for XML Documents. 4. Which are the approaches used to supply effects? Ans: A Few of the effects approaches are: 5. What's the benefit of utilizing a minimized variant of jQuery? Ans: Performance of web page raises when minimized variant of jQuery is used.min.js document will probably be more than 50 per cent less compared to standard js file. Decline in the file dimensions leaves the webpage quicker. 6. Is jQuery is a JavaScript or JSON library file? Ans: JQuery is reportedly one JavaScript file. 7. Which operating system is much more harmonious with jQuery? Ans: Mac, Windows and Linux are more compatible with the jQuery. 8. How do we include jQuery library at ASP.Net project? Ans: Download the jQuery library out of jQuery.com and add that mention from the asp.net page. 9. Which command provides a variant of jQuery? Ans: The control $.ui. Variant returns jQuery UI variant. 10. In what situations jQuery may be utilized? Ans: JQuery may be utilized in the following situations: 11. What's the difference between locating and kids approaches? Ans: Find method is used to locate all degrees down the DOM tree, but kids find single degree down the DOM tree. 12. What's jQuery connect? Ans: A' jQuery link' is a plugin used to join or bind a function with a different function. Link is used to do purpose from any other purpose or plugin is implemented. 13. The way to use the link? Ans: Connect can be utilized by downloading jQuery link file from jQuery.com and include that file from the HTML file. Utilize $.connect work to link a function to another function. 14. What are the characteristics of jQuery, has been utilized in web applications? Ans: jQuery uses features like Sliding, File uploading and accordian in web applications. 15. What will be the browser associated problems for jQuery? Ans: Browser compatibility of jQuery plugin is a problem and requires a great deal of time to repair it. 16. Whether we must add jQuery document in the Master and Content webpage? Ans: JQuery document ought to be added to the Master page and may use access from the articles page right without needing any reference to it. 17. Which are the fundamental selectors in jQuery? Ans: Following are the fundamental selectors in jQuery: 18. Can we predict C# code behind utilizing jQuery? Ans: Yes, we could predict C# code out of jQuery since it supports. Net program. 19. What's the usage jQuery. Data technique? Ans: JQuery.data methods can be used to connect the information with the DOM nodes along with the objects. This information system creates the jQuery code concise and clear. 20. What's the use of every operate in jQuery? Ans: Each function can be used to iterate each element of an item. It's used to loop DOM components, arrays along with the item properties. Know more

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