The HTML onstalled attribute is an event handler used to specify a script that will run when the browser attempts to fetch media data, but the data is not available or the fetch process unexpectedly stops.
Definition and Usage
➔ The onstalled event is triggered when the browser tries to fetch media data (video or audio) but for some reason the data is not coming.
Syntax
//In HTML
<video controls onstalled="myFunction()" id="sample">
<source src="video-source.mp4" type="video/mp4">
Your browser does not support the video tag.
</video>
//In javascript
document.getElementById("sample").onstalled=function() {myFunction();};
//OR
document.getElementById("sample").addEventListener("stalled", myFunction);
//OR
document.getElementById("sample").addEventListener("stalled", (event) => {
myFunction();
});
Example
<!DOCTYPE html>
<html>
<head>
<title>HTML onstalled attribute example</title>
</head>
<body>
<h3>HTML onstalled attribute example</h3>
<p>If the data is not received, the stalled event will be triggered.</p>
<!-- "https://mdn.github.io/learning-area/html/multimedia-and-embedding/video-and-audio-content/rabbit320.mp4" -->
<video controls onstalled="myFunction(event)" id="sample">
<source src="video-source-path.mp4" type="video/mp4">
This browser does not support the video tag.
</video>
<script>
//In javascript
//document.getElementById("sample").onstalled=function() {myFunction();};
//OR
//document.getElementById("sample").addEventListener("stalled", myFunction);
function myFunction(e) {
alert("Media data fetching has stalled");
}
</script>
</body>
</html>