JavaScript Promise catch()
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Definition and Usage
catch() The method provides a callback function.
The callback is a function that will be executed when a Promise is rejected.
Example
myPromise.catch(x => myDisplay(x));
Syntax
promise.catch(rejected())
Parameters
| Parameters | Description |
|---|---|
| rejected() | Function to be executed when the Promise is rejected. |
Return Value
| Type | Description |
|---|---|
| Object | New Promise Object. |
Browser Support
catch() It is a feature of ECMAScript 6 (ES6).
Since June 2017, ES6 (JavaScript 2015) is supported in all modern browsers:
| Chrome | Edge | Firefox | Safari | Opera |
|---|---|---|---|---|
| Chrome 51 | Edge 15 | Firefox 54 | Safari 10 | Opera 38 |
| May 2016 | April 2017 | June 2017 | September 2016 | June 2016 |
catch() Not supported by Internet Explorer.
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