onerror event
Definition and usage
If an error occurs while loading an external file (such as a document or image), the onerror event will be triggered.
Tip:When used for audio/video media, related events occur when the media loading process is disturbed by something:
Example
If an error occurs while loading the image, execute JavaScript:
<img src="image.gif" onerror="myFunction()">
Syntax
In HTML:
<element onerror="myScript">
In JavaScript:
object.onerror = function(){myScript};
In JavaScript, use the addEventListener() method:
object.addEventListener("error", myScript);
Note:Internet Explorer 8 or earlier versions do not support addEventListener() method.