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<!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"> </script> <script> $(document).ready(function () { $('#btnToggleDivClass').click(function(){ $('#myDiv').toggleClass('redDiv'); }); }); </script> <style> .yellowDiv{ background-color:yellow; margin: 10px 0 0 0; height:100px; width: 100px; } .redDiv{ background-color:red; margin: 10px 0 0 0; height:100px; width: 100px; } </style> </head> <body> <h1>Demo: jQuery toggleClass() method</h1> <button id="btnToggleDivClass">Toggle div class</button> <div id="myDiv" class="yellowDiv" > </div> </body> </html>
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