typedArray.buffer

typedArray.buffer

buffer访问器属性表示由TypedArray在构造期间引用的ArrayBuffer

语法

typedArray.buffer

描述

buffer属性是一个访问器属性,它的 set 访问器函数是undefined,意思是你只能够读取这个属性。它的值在TypedArray构造时建立,不能被修改。TypedArray是这里的类型化数组之一。

示例

使用 buffer 属性

var buffer = new ArrayBuffer(8 var uint16 = new Uint16Array(buffer uint16.buffer; // ArrayBuffer { byteLength: 8 }

规范

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

浏览器兼容性

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Basic support4.0(Yes)4.0 (2)1011.64.2