What is PHP ? PHP is an open-source, interpreted, and object-oriented scripting language that can be executed at the server-side....

In JavaScript, a Regular Expression (RegEx) is an object that describes a sequence of characters used for defining a search...

The Fetch API provides a JavaScript interface for accessing and manipulating parts of the protocol, such as requests and responses. It also provides...

XMLHttpRequest is a built-in browser object that allows to make HTTP requests in JavaScript. Despite having the word “XML” in its...

The setInterval() method, offered on the Window and WorkerGlobalScope interfaces, repeatedly calls a function or executes a code snippet, with a fixed time delay between each...

The global setTimeout() method sets a timer which executes a function or specified piece of code once the timer expires. Syntax setTimeout(...

What is "THIS"? In JavaScript,this keyword refers to the current context or scope within which code is executing. Its value is determined by how a...

A JavaScript method is a property containing a function definition. In other words, when the data stored on an object is a function...

Strict mode is a feature in JavaScript that was introduced in ECMAScript 5. It lets you write code in such...

An IIFE (Immediately Invoked Function Expression) is a JavaScript function that runs as soon as it is defined. It is a design pattern which is...