帮忙写一个判断变量长度的函数,谢谢!

帮忙写一个判断变量长度的函数,谢谢!
---------------------------------------------------------------

用strlen(变量名);
就可以了
---------------------------------------------------------------

strlen(变量名)
---------------------------------------------------------------

realyfly(我爱和平):这么快
---------------------------------------------------------------

是判断字符型变量里的字符串长度?

1<script language="javascript">   
2function String.prototype.Len(){return this.replace(/[^\x00-\xff]/g,"**").length;}   
3var str = "这是一个可以将汉字计算成两个字节的函数";   
4alert("老的算法 = " + str.length);   
5alert("新的算法 = " + str.Len());   
6</script>
Published At
Categories with Web编程
Tagged with
comments powered by Disqus