Promise.reject()
The Promise.reject()
method returns a
Promise
object that is rejected with a given reason.
Syntax
Promise.reject(reason);
Parameters
reason
-
Reason why this
Promise
rejected.
Return value
A Promise
that is rejected with the given reason.
Description
The static Promise.reject
function returns a Promise
that is
rejected. For debugging purposes and selective error catching, it is useful to make
reason
an instanceof
Error
.
Examples
Using the static Promise.reject() method
Promise.reject(new Error('fail')).then(function() {
// not called
}, function(error) {
console.error(error); // Stacktrace
});
Specifications
Specification |
---|
ECMAScript Language Specification # sec-promise.reject |
Browser compatibility
Report problems with this compatibility data on GitHubdesktop | mobile | server | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
reject() | ChromeFull support32 | EdgeFull support12 | FirefoxFull support29 | Internet ExplorerNo supportNo | OperaFull support19 | SafariFull support8 | WebView AndroidFull support4.4.3 | Chrome AndroidFull support32 | Firefox for AndroidFull support29 | Opera AndroidFull support19 | Safari on iOSFull support8 | Samsung InternetFull support2.0 | DenoFull support1.0 | Node.jsFull support0.12.0 |
Legend
- Full support
- Full support
- No support
- No support
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.