Affectation après reste (%=)
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
L'opérateur de reste et d'affectation (%=
) calcule le reste de la division de l'opérande gauche par l'opérande droit et affecte ce résultat à la variable représentée par l'opérande gauche.
Exemple interactif
let a = 3;
console.log((a %= 2));
// Expected output: 1
console.log((a %= 0));
// Expected output: NaN
console.log((a %= "hello"));
// Expected output: NaN
Syntaxe
js
Opérateur: x %= y;
Signification: x = x % y;
Exemples
Utiliser l'opérateur de reste et d'affectation
js
let truc = 5;
truc %= 2; // 1
truc %= "toto"; // NaN
truc %= 0; // NaN
Spécifications
Specification |
---|
ECMAScript® 2025 Language Specification # sec-assignment-operators |
Compatibilité des navigateurs
Report problems with this compatibility data on GitHubdesktop | mobile | server | ||||||||||||
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Remainder assignment ( x %= y ) |
Legend
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- Full support
- Full support
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.