DataView.prototype.getInt8()
Baseline
Widely available
This feature is well established and works across many devices and browser versions. Itâs been available across browsers since â¨2015ë 7ìâ©.
DataView ì¸ì¤í´ì¤ì getInt8() ë©ìëë ì´ DataViewì ì§ì ë ë°ì´í¸ ì¤íì
ìì
1ë°ì´í¸ë¥¼ ì½ê³ ì´ë¥¼ 8ë¹í¸ ë¶í¸ ìë ì ìë¡ í´ìí©ëë¤.
ìëí´ ë³´ê¸°
// Create an ArrayBuffer with a size in bytes
const buffer = new ArrayBuffer(16);
const view = new DataView(buffer);
view.setInt8(1, 127); // Max signed 8-bit integer
console.log(view.getInt8(1));
// Expected output: 127
구문
js
getInt8(byteOffset)
매ê°ë³ì
byteOffset-
ë°ì´í°ë¥¼ ì½ì ë°ì´í° ë·°ì ììì ì¼ë¡ë¶í°ì ì¤íì (ë°ì´í¸).
ë°í ê°
-128 ì´ì 127 ì´íì ì ì
ìì¸
RangeError-
ë°ì´í° ë·°ì ëì ëì´ì ì½ì ì ìë
byteOffsetì´ ì¤ì ë ê²½ì° ë°ìí©ëë¤.
ìì
getInt8() ë©ìë ì¬ì©í기
js
const { buffer } = new Uint8Array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
const dataview = new DataView(buffer);
console.log(dataview.getInt8(1)); // 1
ëª ì¸ì
| Specification |
|---|
| ECMAScript® 2026 Language Specification # sec-dataview.prototype.getint8 |