JavaScript

11.8k+ posts

Last Updated: 20 March 2025

JavaScript is a programming language used to create dynamic content for websites. It is a lightweight, cross-platform, and single-threaded p...read more

Web Technologies

JavaScript

Tutorials

Web-Tech Tutorials

Difference between var, let and const keywords in JavaScript

Last Updated: 17 February 2025

JavaScript provides three ways to declare variables: var, let, and const, but they differ in scope, hoisting behaviour, and re-assignment ru...read more

Web Technologies - Difference Between

Differences Between Functional Components and Class Components

Last Updated: 18 March 2025

Both Functional Components and Class Components are essential in React for building reusable UI elements, but they are structured differentl ...read more

Web Technologies - Difference Between

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How to read a local text file using JavaScript?

Last Updated: 09 January 2025

Reading a local text file involves accessing the contents of a file stored on a user's device. Using JavaScript, this can be achieved with...read more

Introduction to JavaScript

Last Updated: 20 March 2025

JavaScriptis a versatile,dynamically typedprogramming language used for interactive web applications, supporting bothclient-side and server-...read more

Web Technologies

JavaScript

javascript-basics

Remove Elements From a JavaScript Array

Last Updated: 27 November 2024

Here are the various methods to remove elements from a JavaScript Array 1. Using pop() methodThe pop() method removes and returns the last e...read more

JavaScript Interview Questions and Answers

Last Updated: 03 April 2025

JavaScript (JS)is the most popular lightweight, scripting, and interpreted programming language. JavaScript is well-known as a scripting lan...read more

interview-preparation

JavaScript-Interview-Questions

How to Open URL in New Tab using JavaScript?

Last Updated: 13 September 2024

HTML anchor tag is used to open URLs in a new tab using the target="_blank" attribute. In JavaScript, we have an inbuilt method window.open(...read more

Web Technologies

JavaScript

Picked

How do you Run JavaScript Through the Terminal?

Last Updated: 06 January 2025

Running JavaScript through the terminal can be done in a few different ways, depending on the environment you're using. Here are the most co ...read more

How to Calculate the Number of Days between Two Dates in JavaScript?

Last Updated: 02 January 2025

Given two Dates and the task is to get the number of days between two dates in JavaScript.To calculate the number of days between two dates ...read more

How to append HTML code to a div using JavaScript ?

Last Updated: 02 January 2025

If you want to dynamically add new content to your web pages, JavaScript provides several ways to add HTML code directly into specific div e...read more

Convert a String to an Integer in JavaScript

Last Updated: 12 November 2024

These are the following ways to convert string to an integer in JavaScript:1. Using Number() MethodThe number() method converts a string int ...read more

Difference between var and let in JavaScript

Last Updated: 09 January 2025

In the early days of JavaScript, there was only one way of declaring variables and that was using the var keyword. A variable declared with ...read more

Difference between TypeScript and JavaScript

Last Updated: 09 January 2025

Ever wondered about the difference between JavaScript and TypeScript? If you're into web development, knowing these two languages is super i...read more

JavaScript Form Validation

Last Updated: 09 January 2025

JavaScript form validation checks user input before submitting the form to ensure it's correct. It helps catch errors and improves the user ...read more

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