Window: offline event
The offline event of the Window interface is fired when the browser has lost access to the network and the value of Navigator.onLine switches to false.
| Bubbles | No |
|---|---|
| Cancelable | No |
| Interface | Event |
| Event handler property | onoffline |
Examples
// addEventListener version
window.addEventListener('offline', (event) => {
console.log("The network connection has been lost.");
});
// onoffline version
window.onoffline = (event) => {
console.log("The network connection has been lost.");
};
Specifications
| Specification |
|---|
| HTML Standard (HTML) # event-offline |
Browser compatibility
BCD tables only load in the browser