In 1995, Netscape Communications wanted a scripting language to make web pages interactive.They hired Brendan Eich, who created the first version of JavaScript in only 10 days. Interestingly, JavaScript was…

JavaScript is one of the most popular programming languages in the world, mainly used to bring interactivity, dynamic features, and logic to websites. It runs directly inside the browser, making…

Loops in JavaScript allow you to execute a block of code multiple times, which is essential for tasks like iterating over arrays, objects, or performing repeated calculations. 1. The for…

In JavaScript, objects are used to store key-value pairs, allowing you to group related data and functions. They are essential for representing complex entities like users, products, or configurations. 1.…

In JavaScript, arrays are used to store multiple values in a single variable. Arrays are versatile and can hold any type of data, including numbers, strings, objects, and even other…

In JavaScript, scope and hoisting determine how variables and functions are accessed and initialized. Understanding them is crucial to avoid bugs and write clean code. 1. JavaScript Scope Scope defines…

In JavaScript, functions are blocks of reusable code that perform a specific task. Functions help reduce repetition, organize code, and make programs easier to maintain. 1. Function Declaration A basic…

JavaScript operators are special symbols used to perform operations on values and variables. Operators can be classified into arithmetic, assignment, comparison, logical, and more. Understanding them is key to writing…

JavaScript uses different data types to store and manipulate information. Knowing these types is essential for writing efficient and bug-free code. Data types are divided into primitive and non-primitive types.…

Before learning React, one of the most important basics you must master is JavaScript variables and data types. React relies heavily on storing and updating values—so understanding how JS handles…