The online
event of the Window
interface is fired when the browser has gained access to the network and the value of Navigator.onLine
switches to true
.
Note: This event shouldn't be used to determine the availability of a particular website. Network problems or firewalls might still prevent the website from being reached.
Bubbles | No |
---|---|
Cancelable | No |
Interface | Event |
Event handler property | ononline |
Examples
// addEventListener version window.addEventListener('online', (event) => { console.log("You are now connected to the network."); }); // ononline version window.ononline = (event) => { console.log("You are now connected to the network."); };
Specifications
Specification | Status |
---|---|
HTML Living Standard The definition of 'online event' in that specification. |
Living Standard |
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
online event | Chrome Full support Yes | Edge Full support 12 | Firefox Full support Yes | IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support