【mouse】
<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'
src='http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js'></script>
<script type='text/javascript'>
$(window).load(function(){
$("div").click(function () {
$("p").html("hello");
});
});
</script>
</head>
<body>
<div>Click me</div>
<p>R</p>
</body>
</html>
