noun
immediately invoked function expression; IIFE
A JavaScript programming term for a function that is defined and executed immediately. Used in technical contexts.
即時関数を使うと、グローバルスコープを汚さずにコードを実行できます。
Using an IIFE, you can execute code without polluting the global scope.
Compound of 即時 (immediate) and 関数 (function), a direct translation of the English term 'immediately invoked function expression'.