在线运行代码 - 菜鸟教程

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>菜鸟教程(cainiaoplay.com)</title>
<script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
  $("a[href$='.org']").css("background-color","yellow");});
</script>
</head>
<body>

<a href="../index.html">菜鸟教程</a><br>
<a href="http://www.google.com">Google.com</a><br>
<a href="http://www.wikipedia.org">wikipedia.org</a>

</body>
</html>

源代码

动行结果