August 2017
Beginner
298 pages
7h 4m
English
Content preview from JavaScript by Example
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Modules in JavaScript
Remember the ToDo List app we built in the previous chapter? We used npm to install Babel to transform our ES6 code to ES5. Navigate to the ToDo List folder and open up the node_modules folder. You will find a huge list of folders containing various packages! Even though you installed only four packages, npm has traced out all the dependencies of the required packages and installed them along with the actual packages.
We only used those packages as dev-dependencies to compile our code. So, we didn't know how those packages are built. Those packages are built as modules. A module is an independent piece of reusable code that returns a value. The value can be an object, function, string, int, and so on. Modules are widely ...
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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.
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.