ArrayBuffer.isView()
Baseline
Widely available
This feature is well established and works across many devices and browser versions. Itâs been available across browsers since 2015ë 7ì.
ArrayBuffer.isView() ì ì ë©ìëë 주ì´ì§ ê°ì´ ArrayBuffer ë·°, ì¦ íìí ë°°ì´ ê°ì²´ ëë DataView ì¤ íëì¸ì§ íë³í©ëë¤.
ìëí´ ë³´ê¸°
// Create an ArrayBuffer with a size in bytes
const buffer = new ArrayBuffer(16);
console.log(ArrayBuffer.isView(new Int32Array()));
// Expected output: true
구문
js
ArrayBuffer.isView(value)
매ê°ë³ì
value-
íë³í ê°.
ë°í ê°
주ì´ì§ ê°ì´ ArrayBuffer ë·°ë¼ë©´ true, ìëë©´ false.
ìì
>isView() ì¬ì©í기
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
const buffer = new ArrayBuffer(2);
const dv = new DataView(buffer);
ArrayBuffer.isView(dv); // true
ëª ì¸ì
| Specification |
|---|
| ECMAScript® 2027 Language Specification> # sec-arraybuffer.isview> |
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