Скачать или смотреть Promises vs Observables - Angular (Tutorial #30)

Promises and Observables are 2 ways through which we can perform asynchronous operation in angular. In this tutorial , I will give you in depth comparison between both and we will learn how observables is preferred over promises

Promises are built-in in javascript whereas Observables comes from RXJS library which use to perform asynchronous operation.

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