Express.js Questions et reponses d'entretien
Test your skills through the online practice test: Express.js Quiz Online Practice Test
Question 1. What is Express.js?
Express.js is a web application framework for Node.js designed for building web applications and APIs.
Est-ce utile ?
Ajouter un commentaire
Voir les commentaires
Question 2. How to install Express.js?
You can install Express.js using npm (Node Package Manager) by running 'npm install express'.
Est-ce utile ?
Ajouter un commentaire
Voir les commentaires
Question 3. What is middleware in Express.js?
Middleware functions are functions that have access to the request, response, and the next function in the application’s request-response cycle.
Est-ce utile ?
Ajouter un commentaire
Voir les commentaires
Question 4. Explain routing in Express.js.
Routing refers to how an application’s endpoints (URIs) respond to client requests. In Express, you can define routes to handle different HTTP methods and URL patterns.
Est-ce utile ?
Ajouter un commentaire
Voir les commentaires
Question 5. What is the purpose of app.use() in Express.js?
app.use() is used to mount middleware functions in the application. It is executed every time a request is received.
Est-ce utile ?
Ajouter un commentaire
Voir les commentaires
Les plus utiles selon les utilisateurs :
- How to handle errors in Express.js?
- What is Express.js?
- How to install Express.js?
- What is middleware in Express.js?
- What is the purpose of app.use() in Express.js?