JavaScript onerror Event
 Complete Event Reference
Definition and Usage
The onerror event is triggered when an error occurs loading a document or an image.
Syntax
onerror="SomeJavaScriptCode"
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| Parameter |
Description |
| SomeJavaScriptCode |
Required. Specifies a JavaScript to be executed when the
event occurs. |
Supported by the following HTML tags:
Supported by the following JavaScript objects:
Example
In this example an alert box will be displayed if an error occurs when
loading an image:
<img src="image.gif"
onerror="alert('The image could not be loaded.')">
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Try-It-Yourself Demos
onerror
How to use onerror.
Complete Event Reference
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