How to add and remove HTML attributes with jQuery?


To add and remove HTML attributes with jQuery, use the addClass() and removeClass() method.

You can try to run the following code to add and remove HTML attributes with jQuery −

Example

Live Demo

<html>
   <head>
      <title>jQuery Example</title>
      <script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
      <script type = "text/javascript">
         $(document).ready(function(){
         
           $( '#add' ).click( function () {
               $('#page_navigation1').addClass( 'blue-class' );        
           });
         
           $( '#remove' ).click( function () {        
               $('#page_navigation1').removeClass( 'blue-class' );        
           });    
         });  
         
      </script>
      <style>
         .blue-class {
           background-color: blue;
           font-size: 30px;
         }
      </style>
   </head>
   <div id="page_navigation1">Demo</div>
   <button id="add">Add</button>
   <button id="remove">Remove</button>
</html>

Updated on: 14-Feb-2020

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