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ArrayBuffer.isView() - JavaScript | MDN

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ArrayBuffer.isView()

Baseline

20157

ArrayBuffer.isView() ArrayBuffer DataView

// ArrayBuffer 
const buffer = new ArrayBuffer(16);

console.log(ArrayBuffer.isView(new Int32Array()));
// : true

js
ArrayBuffer.isView(value)

value

ArrayBuffer true false

isView

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

ECMAScript 2027 LanguageSpecification
# sec-arraybuffer.isview


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