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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("border", "solid red"); }); </script> </head> <body> <p><span>This is a span element inside a p element.</span></p> <p>This is a p element with no span element.</p> </body> </html>