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Multiplication (*) - JavaScript | MDN
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Cette page a été traduite à partir de l'anglais par la communauté. Vous pouvez contribuer en rejoignant la communauté francophone sur MDN Web Docs.
Multiplication (*)
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since juillet 2015.
L'opérateur de multiplication (*) fournit le produit de la multiplication des deux opérandes.
Exemple interactif
console.log(3 * 4);
// Expected output: 12
console.log(-3 * 4);
// Expected output: -12
console.log("3" * 2);
// Expected output: 6
console.log("foo" * 2);
// Expected output: NaN
Syntaxe
js
Opérateur: x * y;
Exemples
Avec des nombres
js
2 * 2; // 4
-2 * 2; // -4
Avec l'infini
js
Infinity * 0; // NaN
Infinity * Infinity; // Infinity
Avec des valeurs non-numériques
js
"foo" * 2; // NaN
Spécifications
| Specification |
|---|
| ECMAScript® 2026 Language Specification # sec-multiplicative-operators |
Compatibilité des navigateurs
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