三个js循环的关键字示例

循环的三种写法: 

查看效果:http://hovertree.com/code/javascript/d6h3xfoq.htm

<!doctype html>
<title>js循环 by 何问起</title>
<meta charset="utf-8"/>
<meta name="keywords" content="js循环 by 何问起" />
<meta name="description" content="js循环 by 何问起" />
</head>
<body>
//while循环
 <script type="text/javascript">
i = 1;
while (i <= 6)
{
document.write("<h" + i+">何问起,这是标题"+i);
document.write("</h"+i+">");
i++;
}
</script>
//do_whilel循环
<script type="text/javascript">
i = 1;
do
{
document.write("<h" + i+">hovertree.com ,这是标题"+i);
document.write("</h"+i+">");
i++;
}
while(i<=6);
</script>
//for循环 
 <script type="text/javascript">
for(i=1;i<=6;i++)
{
  document.write("<h"+i+">何问起,这是标题"+i);
  document.write("</h"+i+">");
}
</script>
</body>
</html>
                        
                        

 更多特效:http://ini.iteye.com/blog/2165698  

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