JavaScript navigator.onLine Property
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JavaScript navigator.onLine Property
The navigator.onLine property returns whether the browser is in online or offline mode.
Note: This property is read-only.
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<script>
document.write("Browser online: "+navigator.onLine);
</script>
</body>
</html>
Syntax
navigator.onLine
Return Value
| Value | Explanation |
|---|---|
| true | If the browser is online. |
| false | If the browser is offline. |
More Examples
Examples
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<script>
var txt = "";
txt += "<p>Browser Name: "+navigator.appName+"</p>";
txt += "<p>Browser CodeName: "+navigator.appCodeName+"</p>";
txt += "<p>Browser Version: "+navigator.appVersion+"</p>";
txt += "<p>Cookies Enabled: "+navigator.cookieEnabled+"</p>";
txt += "<p>Browser Language: "+navigator.language+"</p>";
txt += "<p>Browser Online: "+navigator.onLine+"</p>";
txt += "<p>Platform: "+navigator.platform+"</p>";
txt += "<p>Browser's Engine Name: "+navigator.product+"</p>";
txt += "<p>User-agent header: "+navigator.userAgent+"</p>";
txt += "<p>Java Enabled: "+navigator.javaEnabled()+"</p>";
document.write(txt);
</script>
</body>
</html>
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