FetchEvent.isReload

The isReload read-only property of the FetchEvent interface returns true if the event was dispatched by the user attempting to reload the page, and false otherwise. Pressing the refresh button is a reload while clicking a link and pressing the back button is not.

Syntax

var reloaded = FetchEvent.isReload

Value

A Boolean.

Example

self.addEventListener('fetch', function(event) {
  event.respondWith(
    if (event.isReload) {
      //Return something
    } else {
      //Return something else
    };
  );
​});

Specifications

Browser compatibilityUpdate compatibility data on GitHub

See also

• Using Service Workers
• Service workers basic code example
• Is ServiceWorker ready?
• Promise
• Using web workers