DataView.prototype.getFloat64()
Baseline
Widely available
This feature is well established and works across many devices and browser versions. Itâs been available across browsers since 2015å¹´7æ.
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// ArrayBuffer ããã¤ãåä½ã®ãµã¤ãºã§ä½æ
const buffer = new ArrayBuffer(16);
const view = new DataView(buffer);
view.setFloat64(1, Math.PI);
console.log(view.getFloat64(1));
// äºæ³ãããçµæ: 3.141592653589793
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getFloat64(byteOffset)
getFloat64(byteOffset, littleEndian)
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getFloat64() ã®ä½¿ç¨
const { buffer } = new Uint8Array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
const dataview = new DataView(buffer);
console.log(dataview.getFloat64(1)); // 8.20788039913184e-304
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| Specification |
|---|
| ECMAScript® 2027 Language Specification # sec-dataview.prototype.getfloat64 |