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Web Technologies / JavaScript

JavaScript

9.9K+ posts

Javascript DOM Interview Questions

Last Updated: 19 September 2025

The JavaScript DOM (Document Object Model) is a programming interface that represents a web page as a tree-like structure, where every element (HTML tags, text, attributes...read more

JavaScript Function Interview Questions and Answers

Last Updated: 19 September 2025

JavaScript functions are reusable blocks of code designed to perform a specific task.They take input (called parameters) and can return an output (using return).Functions ...read more

Careers and Jobs in JavaScript

Last Updated: 12 August 2025

JavaScript is one of the most widely used programming languages in the world, powering web applications, mobile apps, server-side systems, and even desktop software. It is...read more

Companies That Use JavaScript

Last Updated: 12 August 2025

JavaScript is a versatile programming language primarily used for web development but now powers applications across browsers, servers, mobile devices, and even IoT device...read more

Array Short Notes

Last Updated: 08 August 2025

A JavaScript array is a structured collection of values, referred to as elements, each associated with a numeric index that begins at 0. The first element resides at index...read more

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String Short Notes

Last Updated: 11 August 2025

A String is a sequence of characters used to represent text-based data, such as words, sentences, or symbols. Strings are one of the most commonly used data types in JavaS...read more

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Web technologies

Function Declaration and Invocation in JavaScript

Last Updated: 29 July 2025

In JavaScript, functions are blocks of reusable code designed to perform a specific task. Understanding how to declare and invoke (call) functions is fundamental to writin...read more

Development Environment in JavaScript

Last Updated: 26 July 2025

Before you can start building your own projects, you need the right setup. Here we will learn how to set up the effective environment or tools where you can write, run, an...read more

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JavaScript Control Flow Examples

Last Updated: 30 September 2025

Control flow statements in JavaScript determine the order in which code executes. They let developers make decisions, repeat tasks, and control program flow using construc...read more

JavaScript Practice Questions

Last Updated: 29 July 2025

1. JavaScript Program to Swap the Values of Two Variables Using a Third VariableSwapping the values of two variables is a basic operation in many programming tasks. In Jav...read more

How to Structure Files and Folder in your Project?

Last Updated: 31 July 2025

Maintaining a clean, organized file and folder structure can significantly impact a project’s success in the fast-paced web development world. As projects grow in size and...read more

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How to Validate Phone Numbers Using JavaScript

Last Updated: 23 July 2025

Phone number validation is the process of checking if a given phone number matches a specific pattern. This ensures that the phone number entered is valid and formatted co...read more

Web Technologies

Vue.js Directive

Last Updated: 05 August 2025

Vue.js is a progressive JavaScript framework used for building interactive user interfaces. One of its core features is directives, which allow you to extend HTML with spe...read more

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Web Technologies

Tree in JavaScript

Last Updated: 18 August 2025

A tree in JavaScript is a way to organize data in a hierarchy, with a main "root" and branches that lead to smaller "child" elements. It's like a family tree, where each p...read more

Web Technologies

JavaScript Hashing Coding Practice Problems

Last Updated: 25 February 2025

Hashing is a fundamental concept in JavaScript used to map data to a fixed-size value, enabling fast lookups, efficient data retrieval, and optimized storage. Hashing is c...read more

Web Technologies

JavaScript-Quiz

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