This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
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
var aPromise = BudgetService.getCost(operation);
aPromise.then(function(someDouble){ ... }); "silent-push".A Promise that resolves to a number.
| Specification | Status | Comment |
|---|---|---|
| Unknown The definition of 'getCost()' in that specification. | Unknown | Initial definition. |
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 55.0 | ? | ? | 42 | ? |
| Feature | Android | Android Webview | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|---|
| Basic support | No support | 55.0 | ? | ? | ? | 42 | ? | 55.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/BudgetService/getCost