BudgetService.getCost()

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This feature is obsolete.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 getCost() property of the BudgetService interface returns a Promise that resolves to a double indicating the worst-case background operation cost of the provided background operation.

Syntax

var aPromise = BudgetService.getCost(operation);
aPromise.then(function(someDouble){ ... });

Parameters

operation
Must be "silent-push".

Returns

A Promise that resolves to a number.

Browser Compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
getCost
ExperimentalDeprecatedNon-standard
Chrome Full support 55Edge Full support ≤79Firefox ? IE ? Opera Full support 42Safari ? WebView Android Full support 55Chrome Android Full support 55Firefox Android ? Opera Android Full support 42Safari iOS ? Samsung Internet Android Full support 6.0

Legend

Full support  
Full 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.