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Node.js buffer slice() 方法

❮ Buffer 模块


示例

基于现有缓冲区的片段创建一个新的缓冲区

var x = Buffer.from('abcdef');
var y = x.slice(2,5);

console.log(y.toString());
运行示例 »

定义和用法

slice() 方法返回一个新的缓冲区对象,使用现有缓冲区的一部分。

开始结束参数指定提取的开始和结束位置。


语法

buffer.slice(start, end);

参数值

参数 描述
start 可选。从哪里开始切片。默认为 0
end 可选。切片的结束位置,默认为缓冲区的末尾

 技术细节

返回值 一个缓冲区
Node.js 版本 0.3.0

❮ Buffer 模块

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