const { app, BrowserWindow } = require('electron'); app.whenReady().then(() => { const win = new BrowserWindow({ webPreferences: { webviewTag: true } }); win.loadFile('index.html'); win.webContents.on('did-attach-webview', (event, contents) => { contents.on('render-process-gone', () => { process.exit(1); }); contents.on('destroyed', () => { process.exit(0); }); contents.on('did-finish-load', () => { win.webContents.executeJavaScript('document.querySelector(\'.close-btn\').click()'); }); contents.on('will-prevent-unload', event => { event.preventDefault(); }); }); });