<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
body{background: #111;}
#box{margin: 20px auto;width: 500px;height: 800px;border: 1px solid #fff;color: green;}
} //页面样式可不加
</style>
</head>
<body>
<div id="box"></div>
<script type="text/javascript">
var o=document.getElementById('box');//获取元素
show();//先执行一次
function show() {
o.innerHTML+='hello worid <br />';//为box赋值,加上原值
setTimeout(show,1000);//隔一秒执行show
}
//setInterval(show,1000);//也可用setInterval外部调用
</script>
</body>
</html>用函数重复打印不覆盖的语句
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转载自blog.csdn.net/weixin_44390947/article/details/86477534
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