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What's the difference between creating a server using http module and creating a server using express framework in node js? Thanks.
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HTTP is an independent module. Express is made on top of the HTTP module. HTTP module provides various tools (functions) to do things for networking like making a server, client, etc. Express along with what HTTP does provide many more functions in order to make development easy.
The http. createServer() method turns your computer into an HTTP server. The http. createServer() method creates an HTTP Server object. The HTTP Server object can listen to ports on your computer and execute a function, a requestListener, each time a request is made.
Faster testing execution. Getting wider coverage metrics of the code. Allows deploying the same API under flexible and different network conditions. Better separation of concerns and cleaner code.
Ultimately, express uses node's http api behind the scenes.
The express framework provides an abstraction layer above the vanilla http module to make handling web traffic and APIs a little easier. There's also tons of middleware available for express (and express-like) frameworks to complete common tasks such as: CORS, XSRF, POST parsing, cookies etc.
The http api is very simple and is used to to setup and manage incoming/outgoing ,HTTP connections. Node does most of the heavy lifting here but it does provide things you'll commonly see throughout most node web framework such as: request/response objects etc.
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