JAVASCRIPT:去除字符串两边空格trim
<script language="javascript"> | |
/* | |
* 写成类的方法格式如下:str.trim() | |
*/ | |
String.prototype.trim=function(){ //删除左右两端的空格 | |
return this.replace(/(^\s*)|(\s*$)/g, ""); | |
} | |
String.prototype.ltrim=function(){ //删除左边的空格 | |
return this.replace(/(^\s*)/g,""); | |
} | |
String.prototype.rtrim=function(){ //删除右边的空格 | |
return this.replace(/(\s*$)/g,""); | |
} | |
/* | |
* 写成函数可以这样:trim(str) | |
*/ | |
function trim(str){ //删除左右两端的空格 | |
return str.replace(/(^\s*)|(\s*$)/g, ""); | |
} | |
function ltrim(str){ //删除左边的空格 | |
return str.replace(/(^\s*)/g,""); | |
} | |
function rtrim(str){ //删除右边的空格 | |
return str.replace(/(\s*$)/g,""); | |
} | |
</script> |
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thanks