renderer.js

// This file is required by the index.html file and will
// be executed in the renderer process for that window.
// No Node.js APIs are available in this process because
// `nodeIntegration` is turned off. Use `preload.js` to
// selectively enable features needed in the rendering
// process.
const { ipcRenderer } = require('electron');
document.getElementById('go_to').addEventListener('click', () => {
  ipcRenderer.send('GoTo_about', 'data');
 });

 document.getElementById('process_btn').addEventListener('click', () => {
    ipcRenderer.send('GoTo_process', 'data');
   });