How exactly does

The defer attribute is used to specify that the script execution occurs when the page loads. It is used only for external scripts and is a boolean attribute.

Example

The following code shows how to use the defer attribute:

Live Demo

<!DOCTYPE html>
<html>
   <body>
      <script src="defer_test.js" defer></script>
      <p>The external file added will load later, since we're using defer</p>
   </body>
</html>

Samual Sam
Samual Sam

Learning faster. Every day.

Updated on: 10-Jan-2020

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