Routing example 39

What this example teaches

Routing

Output

The endpoint responds with JSON that a frontend or mobile app can use.

Line-by-line explanation

• Line 1 sets up the Routing example: import express from "express";.
• Line 2 adds one required part of the working pattern: const app = express();.
• Line 3 adds one required part of the working pattern: app.get("/api/routing", (req, res) => res.json({ ok: true, feature: "Routing" }));.
• Line 4 adds one required part of the working pattern: app.listen(3000);.

Why this example is useful

This example is useful because it isolates routing without surrounding noise, so you can see the idea clearly.

Where it is used in real projects

Routing appears in real NodeJS work when a feature needs a clear pattern that can be reviewed and changed safely.

Beginner variation

Change one label, value or condition in the Routing example and run it again.

Advanced variation

Combine Routing with validation, error handling or reusable structure.