Functions

Function hoisting is a behavior in JavaScript where function declarations are moved, or “hoisted,” to the top of their containing scope during the compile phase before the code is executed. This means you can call a function before it is …

Self-invoking functions (also known as Immediately Invoked Function Expressions, or IIFE) are a common design pattern in JavaScript used to execute a function as soon as it is defined. They are useful when you want to create a function and …

Callbacks are functions passed as arguments to other functions and executed inside those functions. They are fundamental in JavaScript, especially for handling asynchronous operations, such as API requests, event handling, and timers. This tutorial will explore what callbacks are, how …

Arrow functions were introduced in ES6 (ECMAScript 2015) as a more concise way to write functions in JavaScript. They simplify function expressions and provide a more intuitive way to work with this. This tutorial will guide you through the basics …

The call() method in JavaScript is used to call a function with a given this context and arguments provided individually. It’s similar to apply(), but instead of passing an array of arguments, call() accepts them one by one. Basic Syntax …

The apply() method in JavaScript is used to call a function with a given this value and an array (or array-like object) of arguments. It’s similar to the call() method, but while call() passes arguments individually, apply() takes an array …

The bind() method in JavaScript is used to create a new function that, when called, has its this keyword set to a specified value, along with a given sequence of arguments. This is particularly useful when you want to control …

In JavaScript, an anonymous function is a function that doesn’t have a name. These functions are typically used when you need to pass a function as an argument, return a function from another function, or create an inline function that …

In JavaScript, recursive functions are functions that call themselves. They are especially useful for solving problems that can be broken down into smaller, similar subproblems. A recursive function continues to call itself until it reaches a base case—a condition that …