Source Code:
Result:
<!DOCTYPE html> <html> <head> <script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"> </script> <script> $(document).ready(function(){ $("button").click(function(){ $("p,h1").removeClass("head intro main"); }); }); </script> <style type="text/css"> .head { font-size:2em; color:green; } .intro { font-size:120%; color:red; } .main { font-size:20px; color:blue; } </style> </head> <body> <h1 class="head">This is a heading</h1> <p class="intro">This is a paragraph.</p> <p class="main">This is another paragraph.</p> <button>Remove the "head", "intro" and "main" class from the selected elements</button> </body> </html>
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