Example
Execute a JavaScript when the browser starts to work online:
<body ononline="myFunction()">
Try it Yourself »
Definition and Usage
The ononline attribute fires when the browser starts to work online.
Tip: The ononline attribute is the opposite of the onoffline attribute.
Browser Support
The numbers in the table specify the first browser version that fully supports the event attribute.
| Event Attribute | |||||
|---|---|---|---|---|---|
| ononline | Not supported | Deprecated as of IE11 8.0 |
3.0 | Not supported | Not supported |
Differences Between HTML 4.01 and HTML5
The ononline attribute is new in HTML5.
Syntax
<element ononline="script">
Attribute Values
| Value | Description |
|---|---|
| script | The script to be run on ononline |
Technical Details
| Supported HTML tags: | <body> |
|---|
Related Pages
HTML DOM reference: ononline event