then.catch javascript code example

Example 1: catch javascript

//Catch is the method used when your promise has been rejected.
//It is executed immediately after a promise's reject method is called.
//Here’s the syntax:


myPromise.catch(error => {
  // do something with the error.
});

//error is the argument passed in to the reject method.

Example 2: promise catch javascript

// errors that occur in asynchronous code inside promises cannot be caught with regular try/catch
// you need to pass the error handler into `.catch()`

fetchUserData(userId).then(console.log).catch(handleError);

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Javascript Example

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