REST API example 37
A focused NodeJS example for rest api with output and explanation.
REST API example 37
lesson.jsjavascript
1
2
3
4
javascript4 linesWrap
Input
Terminal
SuccessReady.
Run code to see output here.
What this example teaches
REST API
Output
The endpoint responds with JSON that a frontend or mobile app can use.
Line-by-line explanation
- Line 1 sets up the REST API 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/rest-api", (req, res) => res.json({ ok: true, feature: "REST API" }));.
- 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 rest api without surrounding noise, so you can see the idea clearly.
Where it is used in real projects
REST API 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 REST API example and run it again.
Advanced variation
Combine REST API with validation, error handling or reusable structure.