https://stackoverflow.com › questions › 57750916

It means your Promise threw an error that was not caught. i.e. you did not call .catch() on your promise. In your case, if(false) will never evaluate to truthy, so your promise gets rejected.

https://stackoverflow.com › questions › 44678505

This answer is for those who are using async and await along with try and catch, it's crucial to include the await keyword before the promise-returning call that might throw an error. In the example provided by the OP, the function in question is loginDao.login(...) .

https://hatchjs.com › js-uncaught-in-promise

Learn what causes the "uncaught in promise" error in JavaScript and how to handle it with try/catch blocks or promise methods. See examples of code that produces and resolves this error and tips for writing reliable promise-based code.

https://kasata.medium.com › handling-uncaught-in-promise-error-in-frontend-javascript-a...

JavaScript developers often encounter the ‘Uncaught (in promise) Error’ while working with Promises. This error can be difficult to diagnose and resolve if not approached correctly. In this...

https://javascript.info › promise-error-handling

Learn how to use .catch and .then to handle errors in promise chains, and how to deal with unhandled rejections. See examples of explicit and implicit try..catch, rethrowing and error classes.

https://www.javascripttutorial.net › promise-error-handling

Learn how to deal with error handling in promises using then(), catch(), try/catch, and reject(). See examples of errors inside and outside the promises, and how to handle them with different methods.

https://developer.mozilla.org › ... › Web › JavaScript › Reference › Global_Objects › Promise › catch

The catch () method of Promise instances schedules a function to be called when the promise is rejected. It immediately returns another Promise object, allowing you to chain calls to other promise methods. It is a shortcut for then (undefined, onRejected).

https://devqa.io › javascript-handle-error-promise

Learn different ways to handle errors in JavaScript Promises, such as using catch(), then(), async/await, or Promise.allSettled(). Also, learn how to catch unhandled promise rejections globally.

https://dev.to › gitfudge › javascript-error-handling-with-promises-and-async-await-in-es6...

Thanks for writing this! Using promises as a wrapper around logic that could fail is a useful pattern. You can also listen for promise errors globally (rather than attaching a catch to each one) using the unhandledrejection global event.