Minko Gechev • 8/29/2012

Self-invoking functions in JavaScript (or Immediately Invoked Function Expressions)

Read Original

This article details Immediately Invoked Function Expressions (IIFEs) in JavaScript. It covers the syntax variations, explains how they execute code once without polluting the global namespace, and discusses their primary use for initialization logic. The article also describes passing parameters to IIFEs and briefly touches on their role in implementing the module pattern.

0 comments
#JavaScript #closures #scope
Self-invoking functions in JavaScript (or Immediately Invoked Function Expressions)

Comments

No comments yet

Be the first to share your thoughts!

Browser Extension

Get instant access to AllDevBlogs from your browser

Top of the Week

1
Quoting Thariq Shihipar
Simon Willison • 2 votes
2
Top picks — 2026 January
Paweł Grzybek • 1 votes
3
In Praise of –dry-run
Henrik Warne • 1 votes
4
Deep Learning is Powerful Because It Makes Hard Things Easy - Reflections 10 Years On
Ferenc Huszár • 1 votes
5
Vibe coding your first iOS app
William Denniss • 1 votes
6
AGI, ASI, A*I – Do we have all we need to get there?
John D. Cook • 1 votes
7
Dew Drop – January 15, 2026 (#4583)
Alvin Ashcraft • 1 votes