JS dataview setUint8()
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本文目录结构
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).
The source for this interactive example is stored in a GitHub repository. If you’d like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request.
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
抛出错误
如果byteOffset超出了视图能储存的值，就会抛出错误.
例子
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| Typed Array Specification | Obsolete | Superseded by ECMAScript 6. |
| ECMAScript 2015 (6th Edition, ECMA-262)DataView.prototype.setUint8 | Standard | Initial definition in an ECMA standard. |
| ECMAScript Latest Draft (ECMA-262)DataView.prototype.setUint8 | Draft |
