Javascript get data-id attribute value

• Get data-id attribute value using onclick event on button in javascript

  <button data-id="5" onclick="followUser(this); return false;">Follow</button>
  
  <script>
  function followUser(e){
      var id = e.getAttribute('data-id');
      console.log(id);
  }
  </script>
  

  This code snippet will help you to get the value of data-id attribute using onclick event on button in javascript.

• JQuery get data id attribute value on click button

  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
  <button type="button" data-id="5" id="Button">Follow</button>
  <script>
  $(document).ready(function(){
      $('#Button').on('click', function(){
      	var value = $(this).attr('data-id');
          alert(value);
          console.log(value);
      });
  });
  </script>
  

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