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dataView.buffer

dataView.buffer

buffer 属性描述了在构造时被 DataView 引用的 ArrayBuffer

语法

dataview.buffer

描述

buffer 属性是一个访问器(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buffer属性

var buffer = new ArrayBuffer(8 var dataview = new DataView(buffer dataview.buffer; // ArrayBuffer { byteLength: 8 }

规范

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

浏览器兼容性

FeatureChromeEdgeFirefox (Gecko)Internet ExplorerOperaSafari
Basic support9.01215.0 (15.0)1012.15.1
SharedArrayBufferNo supportNo support53 (53) 1No supportNo supportNo support

FeatureAndroidChrome for AndroidEdgeFirefox Mobile (Gecko)IE MobileOpera MobileSafari Mobile
Basic support4.0(Yes)(Yes)15.0 (15)?12.04.2
SharedArrayBufferNo supportNo supportNo support53 (53) 1No supportNo supportNo support