编辑下面的代码:【加编码】
<html> <head> <script src="https://libs.baidu.com/jquery/1.10.2/jquery.min.js"> </script> <script> $(document).ready(function(){ $("p").slice(-3,-1).css("background-color","yellow"); }); </script> </head> <body> <h1>Welcome to My Homepage</h1> <p>My name is Donald (index 0).</p> <p>Donald Duck (index 1).</p> <p>I live in Duckburg (index 2).</p> <p>My best friend is Mickey (index 3).</p> <p>And I'm in love with Daisy (index 4).</p> <div>In this example, we select the p elements with index number 2 and 3, since they are in the range between three from the end (-3) and one from the end (-1).</div> </body> </html>
结果: 【此窗口】 帮助?
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