Callbacks… Callbacks everywhere… Callback inside the callback, and one more inside! Asynchronous JavaScript code is a pain. Event loop is a JavaScript “bigfoot” - everyone heard about it, almost nobody knows how it works… There is multiple ways you can deal with the asynchronous action: callbacks, Promises, Observables, async-await; but which one is best? Which one should you choose for the particular scenarios?
Senior Software Development Engineer at Akamai Technologies; Twilio Champion; Enthusiast of web technologies especially Single Page Apps, Progressive Web Apps, microservices, and Internet of Things. Author of articles about JavaScript, NodeJS, and Angular. Open Source contributor - creator of @ng-toolkit opensource project - set of tools for expanding existing Angular applications.
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