HtmlDemo
/
js_reg_replace.html

<!DOCTYPE html>
<html>
<head>
		    <script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
</head>
<body>

<h1 id="title">我的第一个标题</h1>

<button onclick="">Doit</button>
<script type="text/javascript">
		function doIt()
		{
			var a="singleSelectTest";
			a= a.replace(/([A-Z])/g,"_$1");
			$("#title").val(a);
			$('[name=\'fb_content\']').load('/cms/index.php?m=Zsqc&c=FeedType&a=getContentById')};
		}

</script>
</body>
</html>