How do I find a certain attribute exists or not for a selected item in jQuery?

jQueryWeb DevelopmentFront End Technology

To find a certain attribute exists or not for a selected item in jQuery, use the hasAttribute() method.

Example

You can try to run the following code to learn how to find a certain attribute exists or not:

Live Demo

<!DOCTYPE html>
<html>
   <head>
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
      <script>
         $(document).ready(function(){
            $('button').on('click', function() {
                if (this.hasAttribute("myattr")) {
                   alert('True - myattr attribute exists')
                } else {
                   alert('False - myattr attribute does not exist')
                }
            })
         });
      </script>
   </head>
   <body>
      <button class='button' style='color: green' myattr='demo'>
      Button One
      </button>
      <button class='button'>
      Button Two
      </button>
   </body>
</html>
raja
Published on 15-Dec-2017 14:31:18
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