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dataView.byteOffset

dataView.byteOffset

byteOffset 属性描述了从ArrayBuffer开始的字节偏移量。

语法

dataview.byteOffset

描述

byteOffset属性是一个获取(accessor)属性,它的 set 属性为 undefined,这意味着它是只读的。值在 DataView 被创建时就确定了,且不能改变。

示例

使用 byteOffset 属性

var buffer = new ArrayBuffer(8 var dataview = new DataView(buffer dataview.byteOffset; // 0 (no offset specified) var dataview2 = new DataView(buffer, 3 dataview2.byteOffset; // 3 (as specified when constructing the DataView)

规范

SpecificationStatusComment
ECMAScript 2015 (6th Edition, ECMA-262)The definition of 'DataView.prototype.byteOffset' in that specification.StandardInitial definition.
ECMAScript Latest Draft (ECMA-262)The definition of 'DataView.prototype.byteOffset' 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