<!DOCTYPE html><html lang="en"><head> ???<meta charset="UTF-8"> ???<title>Title</title></head><body> ???<!-- 只有h1 - h6 --> ???<h1>mike</h1> ???<h2>apple</h2> ???<h3>jack</h3> ???<h4>ken</h4> ???<h5>alex</h5> ???<h6>peter</h6> ???<span>helo</span> ???<span>helo</span> ???<span>helo</span> ???<span>helo</span></body></html>
前端 html span标签
原文地址：https://www.cnblogs.com/mingerlcm/p/9056727.html