t57ser/index.html

## index.html
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
  Text
</body>
</html>

## main.js
let { app, BrowserWindow } = require("electron")

function createWindow() {
	let win2 = new BrowserWindow({
		frame: false,
		transparent: false,
		webPreferences: {
			nodeIntegration: false,
			plugins: true,
			sandbox: true,
			webgl: true,
			nodeIntegrationInSubFrames: true,
			allowRunningInsecureContent: false,
			webSecurity: true,
			spellcheck: true,
			enablePreferredSizeMode: true,
			partition: "persist:partition",
			contextIsolation: false,
		}
	})
	win2.loadFile("index.html").then(() => {
		win2.webContents.openDevTools({mode: "detach"})
	}).catch(console.log);

	win2.webContents.setWindowOpenHandler((details) => {
		return {
			action: "allow",
			overrideBrowserWindowOptions: {
				webPreferences: {
					nodeIntegration: false,
					plugins: true,
					sandbox: true,
					webgl: true,
					nodeIntegrationInSubFrames: true,
					allowRunningInsecureContent: false,
					webSecurity: true,
					spellcheck: true,
					enablePreferredSizeMode: true,
					partition: "persist:partition",
					contextIsolation: false,
				}
			},
			outlivesOpener: true,
		};
	});
}

app.on("ready", createWindow)

app.on("window-all-closed", () => {
	app.quit()
})

## package.json
{
  "main": "main.js",
  "scripts": {
    "start": "electron ."
  },
  "devDependencies": {
    "electron": "26.4.1"
  }
}
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>Title</title>
	</head>
	<body>
	Text
	</body>
	</html>
	let { app, BrowserWindow } = require("electron")

	function createWindow() {
	let win2 = new BrowserWindow({
	frame: false,
	transparent: false,
	webPreferences: {
	nodeIntegration: false,
	plugins: true,
	sandbox: true,
	webgl: true,
	nodeIntegrationInSubFrames: true,
	allowRunningInsecureContent: false,
	webSecurity: true,
	spellcheck: true,
	enablePreferredSizeMode: true,
	partition: "persist:partition",
	contextIsolation: false,
	}
	})
	win2.loadFile("index.html").then(() => {
	win2.webContents.openDevTools({mode: "detach"})
	}).catch(console.log);

	win2.webContents.setWindowOpenHandler((details) => {
	return {
	action: "allow",
	overrideBrowserWindowOptions: {
	webPreferences: {
	nodeIntegration: false,
	plugins: true,
	sandbox: true,
	webgl: true,
	nodeIntegrationInSubFrames: true,
	allowRunningInsecureContent: false,
	webSecurity: true,
	spellcheck: true,
	enablePreferredSizeMode: true,
	partition: "persist:partition",
	contextIsolation: false,
	}
	},
	outlivesOpener: true,
	};
	});
	}

	app.on("ready", createWindow)

	app.on("window-all-closed", () => {
	app.quit()
	})
	{
	"main": "main.js",
	"scripts": {
	"start": "electron ."
	},
	"devDependencies": {
	"electron": "26.4.1"
	}
	}