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NetworkInformation: change event

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The change event fires when connection information changes, and the event is received by the NetworkInformation object.

Syntax

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

addEventListener("change", (event) => {});

onchange = (event) => {};

Event type

A generic Event.

Examples

// Get the connection type.
const type = navigator.connection.type;

function changeHandler(e) {
  // Handle change of connection type here.
}

// Register for event changes:
navigator.connection.onchange = changeHandler;

// Another way: navigator.connection.addEventListener('change', changeHandler);

Specifications

Specification
Network Information API # dom-networkinformation-onchange

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`change_event`	61	79	No	No	48	No	50	38	No On Firefox, the event handler property corresponding to the `change` event is `ontypechange`.	45	No	3.0

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https://developer.mozilla.org/en-US/docs/Web/API/NetworkInformation/change_event