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| author | Masahiro FUJIMOTO <mfujimot@gmail.com> | 2021-09-04 00:46:12 +0900 |
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| committer | Masahiro FUJIMOTO <mfujimot@gmail.com> | 2021-09-04 00:46:12 +0900 |
| commit | fe6f6abf2b7c497bf1f97f73a82dde7cf48eb79f (patch) | |
| tree | 51b7edfc370236684a203f4e69ae67bb7d24b549 /files/fr/web/javascript/reference/global_objects/arraybuffer/isview/index.md | |
| parent | 04ea4edc83cc12142ed151bbea2c65cffc8e76f6 (diff) | |
| parent | eeb07fe338cdc90092841d717919f46f9d9e3ff9 (diff) | |
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Merge branch 'main' into 20210818-Glossary/Type
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diff --git a/files/fr/web/javascript/reference/global_objects/arraybuffer/isview/index.md b/files/fr/web/javascript/reference/global_objects/arraybuffer/isview/index.md new file mode 100644 index 0000000000..d5224cac4c --- /dev/null +++ b/files/fr/web/javascript/reference/global_objects/arraybuffer/isview/index.md @@ -0,0 +1,65 @@ +--- +title: ArrayBuffer.isView() +slug: Web/JavaScript/Reference/Global_Objects/ArrayBuffer/isView +tags: + - ArrayBuffer + - JavaScript + - Méthode + - Reference + - TypedArrays +translation_of: Web/JavaScript/Reference/Global_Objects/ArrayBuffer/isView +original_slug: Web/JavaScript/Reference/Objets_globaux/ArrayBuffer/isView +--- +{{JSRef}} + +La méthode **`ArrayBuffer.isView()`** renvoie `true` si l'argument passé est une des vues `ArrayBuffer`, comme par exemple [un tableau typé](/fr/docs/Web/JavaScript/Reference/Objets_globaux/TypedArray) ou une {{jsxref("DataView")}} ; `false` sinon. + +{{EmbedInteractiveExample("pages/js/arraybuffer-isview.html")}} + +## Syntaxe + + ArrayBuffer.isView(arg) + +### Paramètres + +- `arg` + - : L'argument dont on souhaite savoir s'il est une vue. + +### Valeur de retour + +`true` si la valeur passée en argument est une des vues du tableau `ArrayBuffer`, `false` sinon. + +## Exemples + +```js +ArrayBuffer.isView(); // false +ArrayBuffer.isView([]); // false +ArrayBuffer.isView({}); // false +ArrayBuffer.isView(null); // false +ArrayBuffer.isView(undefined); // false +ArrayBuffer.isView(new ArrayBuffer(10)); // false + +ArrayBuffer.isView(new Uint8Array()); // true +ArrayBuffer.isView(new Float32Array()); // true +ArrayBuffer.isView(new Int8Array(10).subarray(0, 3)); // true + +var buffer = new ArrayBuffer(2); +var dv = new DataView(buffer); +ArrayBuffer.isView(dv); // true +``` + +## Spécifications + +| Spécification | État | Commentaires | +| ------------------------------------------------------------------------------------------------ | -------------------------------- | ------------------------------------------ | +| {{SpecName('Typed Array')}} | {{Spec2('Typed Array')}} | Remplacée par ECMAScript 2015 | +| {{SpecName('ES2015', '#sec-arraybuffer.isview', 'ArrayBuffer.isView')}} | {{Spec2('ES2015')}} | Définition initiale dans un standard ECMA. | +| {{SpecName('ESDraft', '#sec-arraybuffer.isview', 'ArrayBuffer.isView')}} | {{Spec2('ESDraft')}} | | + +## Compatibilité des navigateurs + +{{Compat("javascript.builtins.ArrayBuffer.isView")}} + +## Voir aussi + +- [Les tableaux typés en JavaScript](/fr/docs/Web/JavaScript/Tableaux_typés) |
