Written By Matthew Short
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Course Report strives to create the most trust-worthy content about coding bootcamps. Read more about Course Report’s Editorial Policy and How We Make Money.
Different coding bootcamps teach different languages and stacks, and it can be hard to keep track of all the technology options. One technology you might have heard of in relation to full-stack JavaScript curricula, is Express (also known as Express JS or Express.JS). In this guest post, Matthew Short, an Instructor and Head of Academics at Fullstack Academy and The Grace Hopper Program, tells us exactly what Express is, how it fits in with other technologies, and what sort of companies use it. Also find out how to get started learning Express!
In the world of web development, there are two common types of applications that developers create: servers and clients.
Express is a framework that runs within Node.js that provides the means for a developer to create and maintain robust servers. It comes with many built-in features, but also has a gigantic suite of third-party add-ons that developers can use to provide better functionality, increased security, and improved speed.
The primary use of Express is to provide server-side logic for web and mobile applications, and as such it’s used all over the place.
Companies which use Express as a foundation of their internet presence include:
When talking with each other, developers often refer to their stack as a way to quickly communicate specifics about the code they maintain. A quick definition of a stack is all of the software necessary to run the particular application being discussed.
In web development, the stack usually includes:
Two common full-stack JavaScript stacks are:
There are plenty of alternatives to Express, and the one you might use would be based on several things:
Express is incredibly flexible, but requires much more setup. Sails, inspired by Rails, is much more opinionated but lets developers hit the ground running much faster.
In general, adoption of Express seems to be increasing over time. I believe that some of this is a result of start-up companies slowly moving away from Rails and server-side rendering and toward microservices as a way of creating and consuming data. With Express you can quickly create an API which can be used by multiple applications, with an additional advantage of writing JavaScript for both the client and the server.
Learning Express is an easy way to get a deep understanding of the architecture behind web servers. It’s quick to set up, fully featured, and configurable. On top of that, it’s written in JavaScript, which is the language new learners will be using when writing client-side code (it’s also the singular language we teach at Fullstack).
One disadvantage of Express is that even though it’s a fairly slim library, it still comes with too many bells and whistles for the simplest use cases. If you’re still planning on writing a web server in JavaScript, and you don’t need any of the add-ons that Express comes with, you might want to write it using NodeJS’s built in http library.
Fullstack Academy teaches Express because:
This means that there’s nothing it can’t do, and if you’re doing something tough, then someone out there has already done it. This leads to reasonable documentation, great community support, and a quicker rate of learning for our students.
Watch some demos of Fullstack students presenting projects they built with Express.
Start with ExpressJS's own installation guide, and then start working through MDN's excellent guides on Express.
To get started in JavaScript check out Fullstack Academy’s Free Admissions Prep Workshop, and our JavaScript 101 course.
Find out more and read Fullstack Academy reviews on Course Report. Check out the Fullstack Academy website.
Matthew started his educational career teaching college-level mathematics before attending a coding bootcamp. After bootcamp, he taught Web Development, worked at Google as a Software Engineer, and ultimately landed at Fullstack Academy & the Grace Hopper Program as an Instructor and Head of Academics.
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