dataView.setUint8
dataView.setUint8
setUint8()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(无符号字节).
语法
dataview.setUint8(byteOffset, value)
参数
byteOffset偏移量，从头开始计算，单位为字节value设置的数值
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setUint8方法
var buffer = new ArrayBuffer(8
var dataview = new DataView(buffer
dataview.setUint8(1, 3
dataview.getUint8(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| Typed Array Specification | Obsolete | Superseded by ECMAScript 2015.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.setUint8' in that specification. | Standard | Initial definition in an ECMA standard. |
| ECMAScript Latest Draft (ECMA-262)The definition of 'DataView.prototype.setUint8' 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 |
