测试去空格

最新推荐文章于 2024-08-30 07:57:08 发布

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最新推荐文章于 2024-08-30 07:57:08 发布

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分类专栏： html

本文链接：https://blog.youkuaiyun.com/dulinanaaa/article/details/78132065

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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"/>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>测试去空格</title>
<script type="text/javascript" src="http://bj.xdf.cn/Portals/24/xdf_common/js/jquery-1.4.2.min.js"></script>
<style type="text/css">
</style>
</head>
<body>
<script>
String.prototype.trim = function() {
  return this.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
};
$(function(){
	var a = '  ',
		b = '  b',
		c = 'c  ',
		d = '  d  ',
		e;
	console.log(a);
	console.log(b);
	console.log(c);
	console.log(d);
	console.log(e);
	console.log(a.trim());
	console.log(b.trim());
	console.log(c.trim());
	console.log(d.trim());
	console.log(e ? e.trim() : '');
	
	console.log(a.length);
	console.log(b.length);
	console.log(c.length);
	console.log(d.length);
	
	console.log(a.trim().length);
	console.log(b.trim().length);
	console.log(c.trim().length);
	console.log(d.trim().length);
});
</script>
</body>
</html>