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<!DOCTYPE html> <html> <head> <script src="/lib/jquery-1.12.2.min.js"></script> <script> $(document).ready(function(){ $("div").on("click", "p", function(){ $(this).slideToggle(); }); $("button").click(function(){ $("<p>This is a new paragraph.</p>").insertAfter("button"); }); }); </script> </head> <body> <div style="background-color:yellow"> <p>This is a paragraph.</p> <p>Click any p element to make it disappear. Including this one.</p> <button>Insert a new p element after this button</button> </div> </body> </html>