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--- tanszek:oktatas:informatikai_rendszerek_epitese:express.js_alapok [2026/03/11 12:22] – kissa
+++ tanszek:oktatas:informatikai_rendszerek_epitese:express.js_alapok [2026/03/11 12:24] (current) – kissa
@@ Line 11: / Line 11: @@
   - Projekt mappa létrehozása: ''mkdir backend && cd backend''
   - NPM csomag létrehozása: ''npm init''
-  - tsconfig fájl létrehozása: ''tsc --init''
+  - tsconfig fájl létrehozása: ''tsc %%--%%init''
-  - Express.js csomag telepítése: ''npm install express --save''
+  - Express.js csomag telepítése: ''npm install express %%--%%save''
-  - Típus csomagok telepítése: ''npm install @types/node @types/express --save-dev''
+  - Típus csomagok telepítése: ''npm install @types/node @types/express %%--%%save-dev''
   - ''index.ts'' fájl létrehozása.
@@ Line 29: / Line 29: @@
-//„Express is a routing and middleware web framework that has minimal functionality of its own: An Express application is essentially a series of middleware function calls.
+//„Express is a routing and middleware web framework that has minimal functionality of its own: An Express application is essentially a series of middleware function calls.//
+//Middleware functions are functions that have access to the request object (req), the response object (res), and the next middleware function in the application’s request-response cycle.”//
-Middleware functions are functions that have access to the request object (req), the response object (res), and the next middleware function in the application’s request-response cycle.”//
 – [[https://expressjs.com/en/guide/using-middleware.html|Express: Using middlewares]]
 {{:tanszek:oktatas:informatikai_rendszerek_epitese:pasted:20260311-121733.png}}