JavaScript

JavaScript basic concepts

📄️ Data types

What data types exist in modern JS

In JavaScript, there are three keywords used to declare variables: var, let,

Function Declarations, Function Expressions, and Arrow Functions

Execution context is the environment in which the JavaScript code is executed.

What is ’this’ keyword used for in JavaScript

There are methods of Function prototype, they allow invoking a function with

Arrays in JavaScript are objects that optimized for storing and managing ordered

Working with objects in JavaScript

A closure is a function bundled together with its lexical environment, meaning

Prototypal inheritance is a fundamental concept in JavaScript, where objects can

Classes in JavaScript are a blueprint for creating objects with predefined

Related Concepts

Exceptions in JavaScript are events that disrupt the normal flow of code

RegEx is a powerful tool used for matching patterns within strings.