change to nodejs

backend.js

@@ -0,0 +1,17 @@
+const express = require('express');
+
+const app = express();
+
+app.use(express.static(__dirname));
+
+app.use((req, res, next) => {
+  res.header('Access-Control-Allow-Origin', '*');
+  res.header('Access-Control-Allow-Methods', 'GET, POST, OPTIONS');
+  res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept');
+  next();
+});
+
+
+app.listen(3000, () =>  {
+  console.log('Server is running');
+});