How to execute a JavaScript when a video is ready to start playing

It will show up a popup that video can start.

index.html

Example: HTML

<!DOCTYPE html> 
<html> 
<body> 

<script>
function myFunction() {
  alert("Can start playing video");
}
</script>

<video controls oncanplay="myFunction()">
  <source src="https://download.samplelib.com/mp4/sample-5s.mp4" type="video/mp4">
  <source src="https://download.samplelib.com/mp4/sample-5s.mp4" type="video/ogg">
  Your browser does not support HTML5 video.
</video>

<p>Video courtesy of <a href="https://www.bigbuckbunny.org/" target="_blank">Big Buck Bunny</a>.</p>


</body> 
</html>

Output should be:

Type:	html
Category:	Web Tutorial
Sub Category:	HTML Media Events Attribute
Uploaded by:	Admin