教程之家 TIY Editor
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<!DOCTYPE html> <html> <head> <script type="text/javascript" src="/jquery/jquery.js"></script> </head> <body> <p><span>Hello</span>, how are you?</p> <p>Me? I'm <span>good</span>.</p> <script> $("p").find("span").css('color','red'); </script> </body> </html>