Javascript DOM ononline Event

Introduction

Execute a JavaScript when the browser starts to work online:

Open the File menu and click on "Work Offline" to toggle between working online and offline.

The ononline and onoffline events are only supported in Firefox and Internet Explorer version 8 to 10.

<!DOCTYPE html>
<html>
<body ononline="onFunction()" onoffline="offFunction()">
<p id="demo"></p>
<script>
function onFunction() {//from www . jav a2  s.  c om
  document.getElementById("demo").innerHTML =  "Your browser is working online.";
}

function offFunction() {
  document.getElementById("demo").innerHTML = "Your browser is working offline.";
}
</script>

</body>
</html>

The ononline event occurs when the browser starts to work online.

The ononline event is the opposite of the onoffline event.

Bubbles:	No
Cancelable:	No
Event type:	Event
Supported HTML tags:	<body>
DOM Version:	Level 3 Events

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Javascript DOM onoffline Event via addEventListener() method
Javascript DOM onoffline Event via HTML Tag onoffline attribute
Javascript DOM onoffline Event via HTML Tag onoffline function
Javascript DOM ononline Event via addEventListener() method
Javascript DOM ononline Event via HTML Tag ononline attribute

Javascript DOM ononline Event

Introduction

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