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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>迹忆客(jiyik.com)</title> <script src="https://www.jiyik.com//templets/jiyi/v2/js/jquery-2.2.4.min.js"> </script> <style> .descendants * { display: block; border: 2px solid lightgrey; color: lightgrey; padding: 5px; margin: 15px; } </style> <script> $(document).ready(function(){ $("div").children("p.1").css({"color":"red","border":"2px solid red"}); }); </script> </head> <body> <div class="descendants" style="width:500px;">div (当前元素) <p class="1">p (儿子元素) <span>span (孙子元素)</span> </p> <p class="2">p (儿子元素) <span>span (孙子元素)</span> </p> </div> </body> </html>
