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<!DOCTYPE html> <html> <head> <script src="/lib/jquery-1.12.2.min.js"></script> <script> $(document).ready(function(){ $("button").click(function(){ $("p").remove(".test, .demo"); }); }); </script> <style> .test { color: red; font-size: 20px; } .demo { color: green; font-size: 25px; } </style> </head> <body> <p>This is a paragraph.</p> <p class="test">This is p element with class="test".</p> <p class="test">This is p element with class="test".</p> <p class="demo">This is p element with class="demo".</p> <button>Remove all p elements with class="test" and class="demo"</button> </body> </html>