slice()
方法返回一个新的 ArrayBuffer
,它的内容是这个ArrayBuffer的
字节副本,从begin(包括),到end(不包括)。
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arraybuffer.slice(begin[, end])
begin
end
ArrayBuffer
将包含这个 ArrayBuffer
从头到尾的所有字节。由begin和end指定的这个范围夹在当前数组的有效索引范围内。如果新ArrayBuffer
的长度在计算后为负,它将强制为0 。 一个新的 ArrayBuffer
对象。
slice
方法复制到但不包括由end参数指示的字节。如果begin或end是负数,则指的是从数组末尾开始的索引,而不是从头开始。
ArrayBuffer
var buf1 = new ArrayBuffer(8);
var buf2 = buf1.slice(0);
Specification | Status | Comment |
---|---|---|
Typed Array Specification | Obsolete | Superseded by EMCAScript 6. |
ECMAScript 2015 (6th Edition, ECMA-262) ArrayBuffer.prototype.slice |
Standard | Initial definition in an ECMA standard. |
ECMAScript Latest Draft (ECMA-262) ArrayBuffer.prototype.slice |
Draft |
Desktop | Mobile | Server | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
slice | Chrome Full support Yes | Edge Full support 12 | Firefox
Full support
12
| IE Full support 11 | Opera Full support Yes | Safari Full support 6 | WebView Android Full support Yes | Chrome Android Full support Yes | Edge Mobile Full support Yes | Firefox Android
Full support
14
| Opera Android Full support Yes | Safari iOS Full support 6 | Samsung Internet Android Full support Yes | nodejs Full support Yes |