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<!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script> <script> $(document).ready(function(){ $("div").children("p").css("background-color", "yellow"); }); </script> </head> <body> <p>This is a p element in body.</p> <div style="border:1px solid;"> <p>This is a p element (child of div).</p> <h4>This is a h4 element inside the div (child of div).</h4> <p class="child">This is a p element with class "child" (child of div).</p> <span>This is a span element (child of div).</span> <p>This is also a p element (child of div).</p> </div> <p>This is also a p element in body.</p> </body> </html>