can javascript send to node js code example

Example: node js send javascript

const fs = require("fs");
const hostname = "127.0.0.1";
const port = 3000;

// use createReadStream instead to save memory
const index = fs.readFileSync("index.html");
const java = fs.readFileSync("javascript.js");

// this is our request handler
const server = http.createServer((req, res) => {
 if (req.url === "/") {
   res.setHeader("Content-Type", "text/html");
   res.write(index);
 }
 if (req.url === "/javascript.js") {
   res.setHeader("Content-Type", "text/javascript");
   res.write(java);
 }
 res.statusCode = 200;
 //   res.writeHead(200, java);
 res.end();
});

server.listen(port, hostname, () => {
 console.log(`Server running at http://${hostname}:${port}/`);
});