HTML onoffline Event Attribute
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HTML onoffline Event Attribute
The onoffline event attribute triggers when the browser starts to work offline.
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body offline="offFunction()" ononline="onFunction()">
<p>Open Firefox, Press F10 and choose File > work offline mode</p>
<script>
function offFunction(){
alert("You are working in offline mode");
}
function onFunction(){
alert("You are working in online mode");
}
</script>
</body>
</html>
Attribute Value
| Value | Explanation |
|---|---|
| script | Script runs when the browser starts to work offline. |
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