December 2018
Intermediate to advanced
642 pages
15h 5m
English
Content preview from Modern JavaScript Web Development Cookbook
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Doing Ajax calls with promises
The first way we can do web service calls is by using promises, and they were (up to the appearance of the more modern async/await statements, which we'll be seeing in the next section) the favorite method. Promises were available some time back (first around 2011 through jQuery's deferred objects, and afterwards by means of libraries such as BlueBird or Q), but in recent JS versions, they became native. Since promises cannot really be considered something new, let's just see some examples so that we can move on to more modern ways of working—no, we won't be even considering going further back than promises, and directly work with callbacks!
Do native promises imply that libraries won't be needed again? That's ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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