dataView.setInt8
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Typed Array Specification | Obsolete | Superseded by ECMAScript 2015.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 |