January 2011
Intermediate to advanced
224 pages
5h 43m
English
Content preview from Eloquent JavaScriptBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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The Shape of a Module
Since the language does not prescribe a way to write modules, we will have to come up some techniques of our own. For modules that consist of only a few functions or objects (or just one), there’s not much to think about—you just write those functions or objects as usual and call it a module.
For bigger modules or modules that contain some “internal” elements—variables that are used by the module’s code but not part of its interface—there are reasons to do things differently.
In JavaScript, “top-level” variables all live together in a single space. When a lot of code is loaded into an environment, it becomes hard to keep track of which variable names are used, which makes it very easy to accidentally use a name that was already ...
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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.