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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> function changeSize() { $(this).animate({fontSize: "+=3px"}); } function changeSpacing() { $(this).animate({letterSpacing: "+=2px"}); } $(document).ready(function(){ $("body").delegate("p", "click", changeSize); $("body").delegate("p", "click", changeSpacing); $("button").click(function(){ $("body").undelegate("p", "click"); }); }); </script> </head> <body> <p>This is a paragraph.</p> <p>This is another paragraph.</p> <p>Click any p element to increase size and letterspacing.</p> <button>Remove all "click" event handlers (added with the delegate() method) for all p elements</button> </body> </html>
