const {app, BrowserWindow} = require('electron') const path = require('path') const url = require('url') let win function createWindow() { win = new BrowserWindow ({width:800, height:600}) win.loadURL(url.format({ pathname: path.join(__dirname, 'index.html'), protocol: 'file:', slashes: true })) win.on('close',()=> { win = null }) } app.on("ready",createWindow)