Basic Routing example 33
A focused ExpressJS example for basic routing with output and explanation.
Basic Routing example 33
lesson.jsjavascript
1
2
3
4
javascript4 linesWrap
Input
Terminal
SuccessReady.
Run code to see output here.
What this example teaches
Basic Routing
Output
Express server listens on port 3000 and returns a JSON response on matched routes.
Line-by-line explanation
- Line 1 sets up the Basic 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.use(express.json());.
- Line 4 adds one required part of the working pattern: app.post("/api/basic-routing", (req, res) => res.json({ success: true, processed: req.body }));.
Why this example is useful
This example is useful because it isolates basic routing without surrounding noise, so you can see the idea clearly.
Where it is used in real projects
Basic Routing appears in real ExpressJS 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 Basic Routing example and run it again.
Advanced variation
Combine Basic Routing with validation, error handling or reusable structure.