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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

SpecificationStatusComment
Typed Array SpecificationObsoleteSuperseded by ECMAScript 2015.
ECMAScript 2015 (6th Edition, ECMA-262)The definition of 'DataView.prototype.setInt8' in that specification.StandardInitial 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

FeatureChromeEdgeFirefox (Gecko)Internet ExplorerOperaSafari
Basic support9.0(Yes)15.0 (15.0)1012.15.1

FeatureAndroidChrome for AndroidEdgeFirefox Mobile (Gecko)IE MobileOpera MobileSafari Mobile
Basic support4.0(Yes)(Yes)15.0 (15)?12.04.2