dataView.setInt8
setInt8()从DataView起始位置以byte为计数的指定偏移量(byteOffset)处储存一个8-bit数(一个字节).
语法
dataview.setInt8(byteOffset, value)参数
byteOffset偏移量，从头开始计算，单位为字节value设置的整数值。
返回值
undefined.
抛出错误
RangeError如果byteOffset超出了视图能储存的值，就会抛出错误
示例
使用setInt8方法
var buffer = new ArrayBuffer(8);
var dataview = new DataView(buffer);
dataview.setInt8(1, 3);
dataview.getInt8(1); // 3规范
Specification | Status | Comment |
|---|---|---|
Typed Array Specification | Obsolete | Superseded by ECMAScript 2015. |
ECMAScript 2015 (6th Edition, ECMA-262)The definition of 'DataView.prototype.setInt8' in that specification. | Standard | Initial definition in an ECMA standard. |
ECMAScript Latest Draft (ECMA-262)The definition of 'DataView.prototype.setInt8' in that specification. | Draft | ? |
浏览器兼容性
Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
Basic support | 9.0 | (Yes) | 15.0 (15.0) | 10 | 12.1 | 5.1 |
Feature | Android | Chrome for Android | Edge | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|
Basic support | 4.0 | (Yes) | (Yes) | 15.0 (15) | ? | 12.0 | 4.2 |
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