<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Isolated World</title>
<script>
window.hello = 'world'
Array.prototype.push = 3
Function.prototype.apply = true
const opened = window.open()
opened.close()
window.postMessage({
preloadProperty: typeof window.foo,
pageProperty: typeof window.hello,
typeofRequire: typeof require,
typeofProcess: typeof process,
typeofArrayPush: typeof Array.prototype.push,
typeofFunctionApply: typeof Function.prototype.apply,
typeofPreloadExecuteJavaScriptProperty: typeof window.preloadExecuteJavaScriptProperty,
typeofOpenedWindow: typeof opened
}, '*')
</script>
</head>
<body>
</body>
</html>