HTML event attribute ononline
The ononline attribute event is triggered
when the browser starts to work online.
What's new in HTML5
The ononline attribute is new in HTML5.
Syntax
<element ononline="script or Javascript function name">
Supported Tags
<body>Browser compatibility
 |
 |
 |
 |
 |
|
|---|---|---|---|---|---|
ononline |
No | 8.0 | Yes | No | No |
Example
<!DOCTYPE html>
<html>
<body ononline="onFunction()" onoffline="offFunction()">
<!-- www .j av a 2 s. co m-->
<p>Open the File menu and click on "Work Offline" to
toggle between working online and offline.</p>
<script>
function onFunction() {
alert ("online.");
}
function offFunction() {
alert ("offline.");
}
</script>
</body>
</html>