Obsolete
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.
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 }; ); });
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
isReload | Chrome Full support 45 | Edge Full support 17 | Firefox
No support
44 — 74
| IE No support No | Opera Full support 32 | Safari No support No | WebView Android Full support 45 | Chrome Android Full support 45 | Firefox Android Full support 44 | Opera Android Full support 32 | Safari iOS No support No | Samsung Internet Android Full support 5.0 |
Legend
- Full support
- Full support
- No support
- No support
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.
- Deprecated. Not for use in new websites.
- Deprecated. Not for use in new websites.
- See implementation notes.
- See implementation notes.