<html> <body> <iframe id="mainframe"></iframe> <script> const net = require('node:net'); const path = require('node:path'); document.getElementById("mainframe").src="./page2.html"; const p = process.platform === 'win32' ? path.join('\\\\?\\pipe', process.cwd(), 'myctl') : '/tmp/echo.sock'; const client = net.createConnection({ path: p }, () => { console.log('connected to server'); client.write('world!\r\n'); }); client.on('data', (data) => { console.log(data.toString()); client.end(); }); client.on('end', () => { console.log('disconnected from server'); }); </script> </body> </html>