January 2017
Beginner to intermediate
550 pages
10h 6m
English
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Summary
In this chapter, we looked at two important concepts. ES6 proxies are useful meta programming constructs used to define custom behavior for fundamental operations (for example, property lookup, assignment, enumeration, function invocation, and so on). We looked at how to use handlers, traps, and proxy targets to intercept and modify the default behavior of operations. This gives us very powerful meta programming capabilities earlier lacking in JavaScript.
The other important construct we discussed in this chapter was ES6 promises. Promises are important because they make asynchronous programming constructs easier to work with. A promise acts as a proxy for a value not necessarily known when the promise is created. This lets asynchronous ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.