如下所示:
复制代码 代码如下:
/*
Get the rightmost substring, of the specified length,
from a String object.
*/
String.prototype.right = function (length_)
{
var _from = this.length - length_;
if (_from < 0) _from = 0;
return this.substring(this.length - length_, this.length);
};
复制代码 代码如下:
/*
Get the rightmost substring, of the specified length,
from a String object.
*/
String.prototype.right = function (length_)
{
var _from = this.length - length_;
if (_from < 0) _from = 0;
return this.substring(this.length - length_, this.length);
};
标签:
js,substring
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