<!DOCTYPE html>
<body onload="f()">
<p>
<style scoped>
p { color: green }
</style>
First
</p>
<p>Second</p>
<script>
function f() {
var style = document.getElementsByTagName("style")[0];
var p = document.getElementsByTagName("p")[1];
p.appendChild(style);
}
</script>
</body>