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docs(arraybuffer): edit ab2str

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ruanyf 2017-10-15 16:09:15 +08:00
parent 24e9149543
commit 7680ea586a
1 changed files with 5 additions and 3 deletions
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docs/arraybuffer.md
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@ -452,6 +452,8 @@ Float64Array.BYTES_PER_ELEMENT // 8
```javascript ```javascript
// ArrayBuffer 转为字符串，参数为 ArrayBuffer 对象 // ArrayBuffer 转为字符串，参数为 ArrayBuffer 对象
function ab2str(buf) { function ab2str(buf) {
// 注意，如果是大型二进制数组，为了避免溢出，
// 必须一个一个字符地转
return String.fromCharCode.apply(null, new Uint16Array(buf)); return String.fromCharCode.apply(null, new Uint16Array(buf));
} }