Jelmerro/index.html

## index.html
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <!-- https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP -->
    <meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self'">
    <meta http-equiv="X-Content-Security-Policy" content="default-src 'self'; script-src 'self'">
    <title>Hello World!</title>
  </head>
  <body>
    <h1>Hello World!</h1>
    We are using Node.js <span id="node-version"></span>,
    Chromium <span id="chrome-version"></span>,
    and Electron <span id="electron-version"></span>.
    <a href="https://electronjs.org">current view</a><br>
    <a target="_blank" href="https://electronjs.org">new view</a>
    <webview src="index.html"
  </body>
</html>

## main.js
const {app, BrowserWindow} = require('electron')
const {join} = require("path")

app.whenReady().then(() => {
  const mainWindow = new BrowserWindow({
    width: 800,
    height: 600,
    webPreferences: {
      webviewTag: true,
      contextIsolation: false,
      preload: join(__dirname, "preload.js")
    }
  })
  mainWindow.loadFile('index.html')
  mainWindow.webContents.once(() => {
    mainWindow.webContents.on("did-attach-webview", (_, contents) => {
      contents.setWindowOpenHandler(console.log)
    })
  })
})

## package.json
{
  "name": "knowledgeable-giants-judge-22aa1",
  "productName": "knowledgeable-giants-judge-22aa1",
  "description": "My Electron application description",
  "keywords": [],
  "main": "./main.js",
  "version": "1.0.0",
  "author": "jelmerro",
  "scripts": {
    "start": "electron ."
  },
  "dependencies": {},
  "devDependencies": {
    "electron": "15.0.0-beta.3"
  }
}

## preload.js
// All of the Node.js APIs are available in the preload process.
// It has the same sandbox as a Chrome extension.
window.addEventListener('DOMContentLoaded', () => {
  const replaceText = (selector, text) => {
    const element = document.getElementById(selector)
    if (element) element.innerText = text
  }

  for (const type of ['chrome', 'node', 'electron']) {
    replaceText(`${type}-version`, process.versions[type])
  }

  document.querySelector("webview").addEventListener("new-window", a => document.body.appendChild(document.createTextNode(JSON.stringify(a))))
})

## 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.

## styles.css
/* Empty */
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="UTF-8">
	<!-- https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP -->
	<meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self'">
	<meta http-equiv="X-Content-Security-Policy" content="default-src 'self'; script-src 'self'">
	<title>Hello World!</title>
	</head>
	<body>
	<h1>Hello World!</h1>
	We are using Node.js <span id="node-version"></span>,
	Chromium <span id="chrome-version"></span>,
	and Electron <span id="electron-version"></span>.
	<a href="https://electronjs.org">current view</a><br>
	<a target="_blank" href="https://electronjs.org">new view</a>
	<webview src="index.html"
	</body>
	</html>
	const {app, BrowserWindow} = require('electron')
	const {join} = require("path")

	app.whenReady().then(() => {
	const mainWindow = new BrowserWindow({
	width: 800,
	height: 600,
	webPreferences: {
	webviewTag: true,
	contextIsolation: false,
	preload: join(__dirname, "preload.js")
	}
	})
	mainWindow.loadFile('index.html')
	mainWindow.webContents.once(() => {
	mainWindow.webContents.on("did-attach-webview", (_, contents) => {
	contents.setWindowOpenHandler(console.log)
	})
	})
	})
	{
	"name": "knowledgeable-giants-judge-22aa1",
	"productName": "knowledgeable-giants-judge-22aa1",
	"description": "My Electron application description",
	"keywords": [],
	"main": "./main.js",
	"version": "1.0.0",
	"author": "jelmerro",
	"scripts": {
	"start": "electron ."
	},
	"dependencies": {},
	"devDependencies": {
	"electron": "15.0.0-beta.3"
	}
	}
	// All of the Node.js APIs are available in the preload process.
	// It has the same sandbox as a Chrome extension.
	window.addEventListener('DOMContentLoaded', () => {
	const replaceText = (selector, text) => {
	const element = document.getElementById(selector)
	if (element) element.innerText = text
	}

	for (const type of ['chrome', 'node', 'electron']) {
	replaceText(`${type}-version`, process.versions[type])
	}

	document.querySelector("webview").addEventListener("new-window", a => document.body.appendChild(document.createTextNode(JSON.stringify(a))))
	})
	// 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.