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<!DOCTYPE html> <html> <head> <script src="/lib/jquery-1.12.2.min.js"></script> <script> $(document).ready(function(){ $("p").has("span").css("background-color", "yellow"); }); </script> </head> <body> <h1>Welcome to My Homepage</h1> <p>My <span>name</span> is Donald.</p> <p>I live in <span>Duckburg</span>.</p> <p>My best friend is Mickey.</p> </body> </html>