Learn Node.js from Scratch/

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Implement Routing

Implement Routing

Learn about the implementation of routing in our project.

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Our application is still missing the routing. Therefore, let’s learn about it and introduce routes in our project.

Routing

Routing refers to how an application handles a client request to a particular endpoint. An endpoint consists of a path, such as /hello in https://www.helloworld.com/hello, and an HTTP method, which could be GET, PUT, POST, PATCH, or DELETE.

Task 6: Express route handler

Inside src/index.js, create a route handler after instantiating the Express application:

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const express = require("express");
const app = express();
// Route handler that sends a message to someone
app.get("/", (req, res) => {
  res.send("Hello Express Student!");
});
const port = process.env.PORT || 8080;
app.listen(port, () => {
  console.log(`Server is up on port ${port}.`);
});

Let’s break down the syntax here:

  • Line 2: The app keyword refers to
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