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Definition and UsageThe 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 SupportThe numbers in the table specify the first browser version that fully supports the event attribute. Syntax
Attribute Values
Technical Details
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Example:
HTML
<!DOCTYPE html>
<html>
<body ononline="onFunction()" onoffline="offFunction()">
<p>Try to disconnect from the internet to toggle between working online and offline.</p>
<script>
function onFunction() {
alert ("Your browser is working online.");
}
function offFunction() {
alert ("Your browser is working offline.");
}
</script>
</body>
</html>
Example:
HTML
<!DOCTYPE html>
<html>
<body ononline="onFunction()" onoffline="offFunction()">
<p>Try to disconnect from the internet to toggle between working online and offline.</p>
<script>
function onFunction() {
alert ("Your browser is working online.");
}
function offFunction() {
alert ("Your browser is working offline.");
}
</script>
</body>
</html>
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Read Full: | Window Event Attributes |
Type: | Develop |
Category: | Web Tutorial |
Sub Category: | Window Event Attributes |
Uploaded by: | Admin |
Views: | 26 |
Reffered: https://www.w3schools.com/tags/ev_onoffline.asp