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. | Draft | Initial definition. |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | 55 | ? | ? | ? | 42 | ? |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | 55 | 55 | ? | ? | 42 | ? | 6.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/BudgetService/getCost