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<!DOCTYPE html> <html> <head> <style> .descendants * { display: block; border: 2px solid lightgrey; color: lightgrey; padding: 5px; margin: 15px; } </style> <script src="/jquery/jquery-1.11.1.min.js"> </script> <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 (子) <span>span (孙)</span> </p> <p>p (child) <span>span (孙)</span> </p> </div> </body> </html>