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This feature is obsolete.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
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
reserve | Chrome Full support 55 | Edge Full support ≤79 | Firefox ? | IE ? | Opera Full support 42 | Safari ? | WebView Android Full support 55 | Chrome Android Full support 55 | Firefox Android ? | Opera Android Full support 42 | Safari 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.