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,h3,div").has("span").css("background-color","yellow"); }); </script> </head> <body> <h1>Welcome to My Homepage</h1> <p>A p element with a <span>span</span> element inside of it.</p> <p>Another p element with a <span>span</span> element inside of it.</p> <p>A p element with no span inside.</p> <h3>A h3 element with a <span>span</span> element inside of it</h3> <div>A div element with a <span>span</span> element inside of it</div> </body> </html>
结果: 【此窗口】 帮助?
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