1、<%@ page language="java" contentType="text/htm造婷用痃l; charset=UTF-8" pageEncoding="UTF-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html>
2、<head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Dom树</title>
3、<script type="text/javascript">function show(){document.getElementById("info").innerHTML="<h1>helloWord</h1>";}