BudgetService.reserve()

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

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This feature is obsolete.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 reserve() property of the BudgetService interface returns a Promise that resolves to a boolean indicating whether the requested budget operation can be reserved.

Syntax

var aPromise = BudgetService.reserve(operation);
aPromise.then(function(boolean){ ... });

Parameters

operation
desc

Returns

A Promise that resolves to a boolean.

Browser Compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
reserve
ExperimentalDeprecatedNon-standard
Chrome No support 60 — 70Edge No support NoFirefox No support NoIE No support NoOpera No support 47 — 57Safari No support NoWebView Android No support NoChrome Android No support 60 — 70Firefox Android ? Opera Android No support 44 — 49Safari iOS ? Samsung Internet Android No support 8.0 — 10.0

Legend

No support  
No support
Compatibility unknown  
Compatibility unknown
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.
Non-standard. Expect poor cross-browser support.
Non-standard. Expect poor cross-browser support.
Deprecated. Not for use in new websites.
Deprecated. Not for use in new websites.