February 2018
Intermediate to advanced
298 pages
8h 22m
English
Content preview from Learn ECMAScript - Second Edition
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Destructuring assignments
A destructuring assignment is an expression that allows you to assign the values or properties of an iterable or object to variables, using a syntax that looks similar to the array or object construction literals respectively.
A destructuring assignment makes it easy to extract data from iterables or objects by providing a shorter syntax. A destructuring assignment is already present in programming languages such as Perl and Python, and works the same way everywhere.
There are two kinds of destructuring assignment expressions: array and object. Let's see each of them in detail.
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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.