Use Express.js to Simplify HTTP Request Handling in Node

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Create a Project Directory

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Create a package.json File

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Configure the Project as an ES Module Application

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Why Express.js?

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1. Install Express

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2. Create the entry script

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3. Use Express.js to configure the project’s Node.js web server

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4. Run the Express.js web server

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Raw Node.js Code vs. Express.js Code

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Example 1: Use raw Node.js to handle web requests

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Example 2: Use Express.js to handle web requests

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Important Stuff to Know About Creating Express.js Web Servers in Node.js

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It’s common to call app.listen() last

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You can set the port number using environment variables

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Common Express.js response methods

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Express’s response methods do not terminate the HTTP request handler’s execution

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Routes, Middleware, and Controllers in Express.js