<script type="text/javascript">
for (i = 1; i <= 6; i++)
{
document.write("<h" + i + ">这是标题 " + i)
document.write("</h" + i + ">")
}
for (i = 1; i <= 6; i++)
{
document.write("<h" + i + ">这是标题 " + i)
document.write("</h" + i + ">")
}
I在这里定义,循环赋值,I的值为1-6,输出 html标签 h1-h6document.write("<h" + i + ">这是标题 " + i)
document.write("</h" + i + ">")<h1>这是标题1</h1>
...
<h6>这是标题6</h6>
参考http://www.w3school.com.cn/tags/tag_hn.asp