Jul 24, 2025 · An IIFE (Immediately Invoked Function Expression) is an idiom in which a JavaScript function runs as soon as it is defined. It is also known as a self-executing anonymous function.

Jul 11, 2025 · Immediately Invoked Function Expressions (IIFE) are JavaScript functions that are executed immediately after they are defined. They are typically used to create a local scope for …

An immediately invoked function expression (or IIFE, pronounced "iffy", IPA /ˈɪf.i/) is a programming language idiom which produces a lexical scope using function scoping.

An IIFE can also be described as a self-invoking anonymous function. Its most common usage is to limit the scope of a variable made via var or to encapsulate context to avoid name collisions.

Immediately Invoked Function Expression (IIFE) is one of the most popular design patterns in JavaScript. It pronounces like iify.

Nov 23, 2024 · JavaScript offers various tools for handling scope and execution effectively, and one of the most notable ones is the Immediately Invoked Function Expression (IIFE). An IIFE is a function …

In this tutorial, you will learn about JavaScript immediately invoked function expressions (IIFE) and their purposes.

Sep 5, 2023 · Immediately-Invoked Function Expressions (IIFE), pronounced "iffy", are a common JavaScript pattern that executes a function instantly after it's defined. Developers primarily use this …

What Is an IIFE? Normally, a function runs only when it is called. An IIFE runs automatically when the JavaScript engine reads it (compiles it).

Feb 16, 2024 · Immediately-Invoked Function Expressions (IIFE, pronounced as "iffy") are a fundamental concept in JavaScript, enabling developers to execute functions as soon as they are …