<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script>
$(document).ready(function () {
$(document.body).css('background','skyblue')
})
</script>
</head>
<body>
<p>这是百度首页的logo</p>
<img src="https://ss0.bdstatic.com/5aV1bjqh_Q23odCf/static/superman/img/logo/bd_logo1_31bdc765.png" alt="">
<script>
$('p').css('color','red')
$(document.images).mouseenter(function () {
$(this).hide(2000)
}).mouseleave(function () {
$(this).show(2000)
})
</script>
</body>
</html>
