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What Is Express JS?

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What Is Express JS?

This Express Js tutorial will walk you through what express js is, what we can do with it, features of express js and companies that are hiring express js developers. Express Js is a Node Js framework which helps to write the API’s very efficiently. It’s a awesome framework of node js which is helping Backend development so much and it provides wide set of features to develop both web and mobile applications it is used to build single page, multipage and hybrid web applications.

This Express Js tutorial will walk you through what express js is, what we can do with it, features of express js and companies that are hiring express js developers. Express Js is a Node Js framework which helps to write the API’s very efficiently. It’s a awesome framework of node js which is helping Backend development so much and it provides wide set of features to develop both web and mobile applications it is used to build single page, multipage and hybrid web applications.

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What Is Express JS?

  1. 1. • Introduction • What is Express JS ? • The need for Express JS • Features of Express JS • Advantages of Express JS • Disadvantages of Express JS • Companies using Express JS What’s in It For You?
  2. 2. Introduction to Express JS Node.js is a JavaScript run-time environment that is fast, but it does not support request handling, HTTP methods or serving files, so this is where Express JS comes into the picture.
  3. 3. What is Express JS ? Express is a Node.js framework designed for building APIs, web applications and cross-platform mobile apps Express is high performance, fast, unopinionated, and lightweight It is used as a server-side scripting language
  4. 4. Need of Express JS Money Efficient Asynchronous Time Efficient Fast Easy to Learn
  5. 5. Features of Express JS Fast Server-Side Development: With the help of Node.js features, express can save a lot of time Middleware : It is a request handler, which have the access to the application’s request- response cycle Routing : Refers to how an application’s endpoints (URIs) respond to client requests
  6. 6. Features of Express JS Templating : Creates a html template file with less code and render HTML Pages Debugging : Express makes it easier as it identifies the exact part where bugs are
  7. 7. Advantages and Disadvantages of Express JS  Express is very easy we can customize and use it as per our needs  A single language JavaScript is used for front-end and back-end development  It is very fast to link with databases like MySQL, MongoDB etc  No structural way to organizing things  There are so many issues in Callbacks  The error messages are not very helpful
  8. 8. Companies using Express JS As per the Enlyft.com there are 34,372 companies are using Express JS
  9. 9. Key Takeaways • Express JS is a lightweight framework which gives functionality and make Node.js easy • Express JS is trending so, most of the companies are moving towards it.

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