jQuery removeAttr()
remove two attributes
<!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"> </script>/*from www . j a v a 2 s . c o m*/ <script> $(document).ready(function(){ $("button").click(function(){ $("p").removeAttr("id class"); }); }); </script> <style> #p1 { color: white; background-color: green; font-size: 20px; padding: 5px; } .blue { color: white; background-color: blue; font-size: 20px; padding: 5px; } </style> </head> <body> <h1>This is a heading</h1> <p id="p1">This is a paragraph.</p> <p class="blue">This is another paragraph.</p> <button>Remove id and class attribute from all p elements</button> </body> </html>