<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").find("*").css({"color":"red","border":"2px solid red"});});</script></head><body><div class="descendants" style="width:500px;">div (当前元素) <p>p (儿子元素) <span>span (孙子元素)</span> </p> <p>p (儿子元素) <span>span (孙子元素)</span> </p> </div></body></html>