Source code
Revision control
Copy as Markdown
Other Tools
<html>
<head>
<body>
<div id="relative_parent" style="position: relative">
<div id="absolute_child" style="position: absolute"></div>
</div>
<div id="static"></div>
<div id="no_parent" style="position: absolute"></div>
<div id="fixed" style="position: fixed"></div>
<script>
"use strict";
window.onload = () => {
window.opener.postMessage("ready", "*");
};
</script>
</body>
</html>