JavaScript Promise finally()
Description
The finally() method provides a callback.
The callback is a function to run when a promise is settled (fulfilled or rejected).
Syntax
promise.then(settled())
Parameters
| settled() | Function to run when the promise is settled (fulfilled or rejected) |
Return Value
| Type | Description |
| Object | A new Promise Object |
Browser Support
finally() is an ECMAScript6 (ES6) feature.
ES6 (JavaScript 2015) is supported in all modern browsers since June 2017:
| Chrome 51 | Edge 15 | Firefox 54 | Safari 10 | Opera 38 |
| May 2016 | Apr 2017 | Jun 2017 | Sep 2016 | Jun 2016 |
finally() is not supported in Internet Explorer.
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