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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>自学编程教程(runoops.com)</title> <style> .ancestors * { display: block; border: 2px solid lightgrey; color: lightgrey; padding: 5px; margin: 15px; } </style> <script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"> </script> <script> $(document).ready(function () { $("span").parents("ul").css({ "color": "red", "border": "2px solid red" }); }); </script> </head> <body class="ancestors">body (great-great-grandparent) <div style="width:500px;">div (great-grandparent) <ul>ul (grandparent) <li>li (direct parent) <span>span</span> </li> </ul> </div> </body> </html>
运行结果：