<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
#p1{
color: red;
}
#p2{
color: aquamarine;
}
#p3{
color: chartreuse;
}
</style>
<script src="js/jq/jquery-1.11.2.js" type="text/javascript" charset="utf-8"></script>
<script type="text/javascript">
// div span(div下的所有span)
// div>span(div下的子元素span,孙子孙子不算)
$(document).ready(function(){
$("p").click(function(){
// $("p").hide();
// $(this).hide();
$("p:first").hide();
});
})
</script>
</head>
<body>
<p id="p1">p1</p>
<p id="p2">p2</p>
<p id="p3">p3</p>
</body>
</html>