This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
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 |
|---|---|---|
| Web Budget API The definition of 'getCost()' in that specification. | Editor's Draft | 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