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How to change the value of an attribute in javascript?

To change the value of an attribute in JavaScript, you can try to run the following code −

Example

<!DOCTYPE html>
<html>
   <body>
      <img id="HTML5" src="https://www.tutorialspoint.com/html5/images/html5-mini-logo.jpg" width="200" height="150">
      <script>
         document.getElementById("HTML5").width = "250";
      </script>
      <p>Image width updated</p>
   </body>
</html>