example of blocking code

14-server.js

@@ -0,0 +1,25 @@
+// why sync approach for nested loops blocks the other codes from running
+
+const http = require('http')
+
+const server = http.createServer((req, res) => {
+  if (req.url === '/') {
+    res.end('Home Page')
+  }
+  else if (req.url === '/about') {
+    // BLOCKING CODE !!!!
+    for(let i = 0; i < 1000; i++){
+      for(let j = 0; j < 1000; j++){
+        console.log(i, j)
+      } // this will take much time and the server will be on reload
+    }
+    res.end('About Page')
+  }
+  else {
+    res.end('Error Page')
+  }
+})
+
+server.listen(5000, () => {
+  console.log('Server listening on port : 5000... ')
+})

package.json

@@ -4,8 +4,7 @@
   "description": "",
   "main": "10,11-filesystem-module.js",
   "scripts": {
-    "start": "node app.js",
-    "dev": "nodemon app.js"
+    "start": "nodemon app.js"
   },
   "keywords": [],
   "author": "",