Express.js Interviewfragen und Antworten
Test your skills through the online practice test: Express.js Quiz Online Practice Test
Frage 1. What is Express.js?
Express.js is a web application framework for Node.js designed for building web applications and APIs.
Ist das hilfreich?
Kommentar hinzufugen
Kommentare ansehen
Frage 2. How to install Express.js?
You can install Express.js using npm (Node Package Manager) by running 'npm install express'.
Ist das hilfreich?
Kommentar hinzufugen
Kommentare ansehen
Frage 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.
Ist das hilfreich?
Kommentar hinzufugen
Kommentare ansehen
Frage 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.
Ist das hilfreich?
Kommentar hinzufugen
Kommentare ansehen
Frage 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.
Ist das hilfreich?
Kommentar hinzufugen
Kommentare ansehen
Am hilfreichsten laut Nutzern:
- 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?