javascript数组克隆简单实现方法

本文实例讲述了javascript数组克隆简单实现方法。分享给大家供大家参考，具体如下：

html中文网小编补充

The JavaScript
To clone the contents of a given array, all you need to do is call slice, providing 0 as the first argument:

var clone = myArray.slice(0);

The code above creates clone of the original array; keep in mind that if objects exist in your array, the references are kept; i.e. the code above does not do a "deep" clone of the array contents. To add clone as a native method to arrays, you'd do something like this:

Array.prototype.clone = function() {
return this.slice(0);
};

And there you have it! Don't iterate over arrays to clone them if all you need is a naive clone!

希望本文所述对大家JavaScript程序设计有所帮助。