HTML onoffline Event Attribute
Example
Execute a JavaScript when the browser changes from working online to working offline:
<body onoffline="myFunction()">
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Definition and Usage
The onoffline attribute fires when the browser's connection status changes from online to offline.
Tip: The onoffline attribute is the opposite of the ononline attribute.
Browser Support
The numbers in the table specify the first browser version that fully supports the event attribute.
| Event Attribute | |||||
|---|---|---|---|---|---|
| onoffline | 4 | 9 | 9 | 4 | 15 |
Syntax
<element onoffline="script">
Attribute Values
| Value | Description |
|---|---|
| script | The script to be run on onoffline |
Technical Details
| Supported HTML tags: | <body> |
|---|
Related Pages
HTML DOM reference: onoffline event
❮ HTML Event Attributes
