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005 How Middleware Works.md

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005 How Middleware Works

این قسمت با متد جدیدی به نام ( )send آشنا می شیم که برای ریسپانس استفاده میشه.

const http = require("http");

const express = require("express");

const app = express();

app.use((req, res, next) => {
  console.log("i'm in the middleware. 1");
  next();
});

app.use((req, res, next) => {
  console.log("i'm in the middleware. 2");
  res.send("<h1>Hello World!</h1>");
});

const server = http.createServer(app);

server.listen(3000);
app.use((req, res, next) => {
  console.log("i'm in the middleware. 2");
  res.send("<h1>Hello World!</h1>");
});