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
Specification | Status | Comment |
---|---|---|
ECMAScript 2015 (6th Edition, ECMA-262)The definition of 'DataView.prototype.buffer' in that specification. | Standard | Initial definition. |
ECMAScript Latest Draft (ECMA-262)The definition of 'DataView.prototype.buffer' in that specification. | Draft | |
浏览器兼容性
Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|---|
Basic support | 9.0 | 12 | 15.0 (15.0) | 10 | 12.1 | 5.1 |
SharedArrayBuffer | No support | No support | 53 (53) 1 | No support | No support | No support |
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 |
SharedArrayBuffer | No support | No support | No support | 53 (53) 1 | No support | No support | No support |