Window: online event

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.

Syntax

Use the event name in methods like addEventListener(), or set an event handler property.

addEventListener("online", (event) => { })

ononline = (event) => { }

Event type

A generic Event.

Event handler aliases

In addition to the Window interface, the event handler property ononline is also available on the following targets:

• HTMLBodyElement
• HTMLFrameSetElement
• SVGSVGElement

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

Browser compatibility

See also

• offline