ready() 1 (function () {})(); (function () { /* ... */ })(); (function () { /* ... */ }()); (() => { /* ... */ })(); a regular function function () {} + function call (); IIFE - Immediately-Invoked Function Expression - It executes immediately after it’s created. It was popular in JavaScript as a method to support modular programming before the introduction of more standardized solutions such as CommonJS and ES modules. Imme.. 2022. 8. 29.