Javascript Mistakes: Async Code with Promises. Just use Async/Await!
When using Javascript, Typescript or any other programming language, beware of asynchronous functions (the ones returning a Promise).
The code execution will become non-linear. If you don't pay attention, with the right timing the code may seem to work, but it will not always work (because it is not correct).
If you need to wait the completion of an async function before executing something, use await or put your code inside .then() and .catch().
We strongly encourage the use of async/await to improve the readability of the code.
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