Test Introduction to RxJS
Test RxJS with answers to assess your knowledge and prepare for job interviews. Assess your technical level in 20 minutes.
The ReactiveX project was originally started by Matthew Podwysocki and others as an independent open source project for Microsoft.
It was then quickly used by companies like Netflix with RxJava.
Currently the main maintainer of RxJS is Ben Lesh. (previously developer at Google and Netflix)
Test author : Amine Boucham
Amine Boucham is an independent developer at MyLabz (Previously a developer for NGE-Connect), having discovered reactive programming during his first mission, he is trying to become an expert in this field.
This concept is not always clearly understood and its importance is underestimated so he tries to bring the benefits of using this programming paradigm in business.
I wana listen to an input field in order to offer auto-completion to my user.
const input = document.getElementById(id) fromEvent(input, 'keydown').pipe( ***************, map(e => e.target.value) )
By which operator can I replace ******* to avoid making an API call each time the user presses a key?