Which express.js feature allows you to define routes based on HTTP methods and URLs?MiddlewareTemplatingRoutingDebugging
Question
Which express.js feature allows you to define routes based on HTTP methods and URLs?
- Middleware
- Templating
- Routing
- Debugging
Solution
The feature in Express.js that allows you to define routes based on HTTP methods and URLs is Routing.
Explanation:
-
Routing is a fundamental part of any web application. In Express.js, routing allows you to map specific HTTP methods (like GET, POST, PUT, DELETE) to particular URL paths. This makes it possible to define what happens when a user accesses a specific endpoint of your API or web application.
-
For instance, you can create routes for responding to GET requests at the "/users" URL to retrieve user data, and POST requests to the same URL for creating a new user.
The other options:
- Middleware refers to functions that execute during the lifecycle of a request to the Express server, but does not specifically define routes.
- Templating involves rendering views and dynamic content, which is more about presentation than routing.
- Debugging is the process of identifying and fixing errors in the application but does not pertain to routing functionality.
In summary, the correct answer is Routing.
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