请看代码:
<!-- ... -->
<head>
<style type="text/css"> body { background: gray; } </style>
</head>
<body>
<p>
Firefox does not even shows blank page.
Tab is stuck in "suggested sites" for 5 seconds.
</p>
<p>
Chrome show just blank white. No text, no background. For 5 seconds.
</p>
<p>
DOMContentLoaded event handler blocks page
loading and rendering. Browser does not start
rendering page until DOMContentLoaded
handler function return.
</p>
<script>
document.addEventListener('DOMContentLoaded', function() {
var timestamp = Date.now() + 5000; while (Date.now() …