???<style> ???????<p>hello world</p> ???????{} ???????p { ???????????color: red; ???????} ???????{} ???????<em style="padding: 4px; color: blue">hello ajanuw</em> ???????{} ???</style><body> ???<div id="box"></div> ???<script> ???????let tags = []; ???????let box = document.getElementById('box'); ???????let sty = document.getElementsByTagName('style')[0] ???????sty.innerHTML.replace(/(<.*|>\/>)/gm, $_ => tags.push($_) ); ???????box.innerHTML = tags.join(' '); ???</script></body>松散的css
原文地址：https://www.cnblogs.com/ajanuw/p/9369085.html