What is Expressjs Framework
ExperessJS is a framework for NodeJS to build impressive Web and Mobile Applications based on JavaScript. Its open-source and free-to-use javascript framework was developed and maintained by NodeJS developers and the community. ExpressJS or you can say Express has the simplest API to build websites, web apps, or Back-end. Express lets you skip low-level protocol, processes, and others.
ExpressJS is an open-source Back-end web development framework developed by the NodeJS foundation and maintained by a wide developer’s community. It has one of the most minimal UI to build a website, web app, or back-end. It has all the tools that might be required to build a web application. It has a huge community that continuously makes necessary improvements and builds modules and plug-ins which makes it more flexible and sufficient for web development. ExpressJS is used with NodeJS runtime environment and has the same popularity. It allows users to work in their own ways unlike other competitors Django and Rails.
How to Install ExpressJS
ExpressJS can be installed by using npm. This given comment will install expressjs globally on your system which can be easily accessible by nodeJS.
npm install -g express
This command will flash the latest build of express.js local to your project folder.
C:\MyNodeJSApp> npm install express — save
— save will update the package.json file by specifying express.js dependency.
Pro & Con’s of Using ExpressJS
Every coin has two sides thus every framework has. ExpressJS gave some powers to the developers but it also takes some toll. There are many advantages of using it therefor some cons as well, so here are some of the pros and cons of using expressjs -
Pros
- The first and the most amazing advantage or benefit of using ExpressJS in web application development is that it provides an overall faster development process whether it’s for web, app, or backend.
- There are many frameworks like ExpressJS but they cant huddle some higher-level requests; but with ExpressJS, you would be able to handle requests efficiently as it offers you the support of I/Q request handling.
- Express.JS has a huge and helping community of developers that can help you with your development problems.
- It allows third-party integrations and plug-ins from nodejs and others that can help in your specific development requirements.
Cons
- Sometimes ExpressJS can’t handle callback requests and gives errors.
- ExpressJS offers a middleware system that gives users problems when facing client requests.
ExpressJS has more to offer, with a good developer’s community it can be a very good tool for website, application, and back-end development. Even beginners can also start with working with ExpressJS due to its minimal user interface and experience. It is the right time to start learning ExpressJS.
