<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>event.preventDefault demo</title>
<script src="//code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
<a href="http://jquery.com">default click action is prevented</a>
<div id="log"></div>
<script>
$( "a" ).click(function( event ) {
event.preventDefault();
$( "<div>" )
.append( "default " + event.type + " prevented" )
.appendTo( "#log" );
});
</script>
</body>
</html>
event.preventDefault(),布布扣,bubuko.com
原文：http://www.cnblogs.com/zhxm/p/3819640.html