向左滚实现了,向右滚有点问题。

来源:互联网 发布:nginx ngx.ctx 编辑:程序博客网 时间:2024/05/08 20:06

<head>
    <title>神龙汽车有限公司欢迎您送死</title>
    <script type = "text/javascript" >
        function scrollleft() {
            var title = document.title;
            var firstchar = title.charAt(0);
            var leftstr = title.substring(1, title.length);
            document.title= leftstr+firstchar;        }
        scrollleft();
        setInterval("scrollleft()", 300);

 

        function scrollright() {
            var title = document.title;
            var firstchar = title.charAt(title.length);
            var rightstr = title.substring(0,title.length -1);
            document.title =  rightstr +firstchar;
        }
                setInterval("scrollright()", 300);
       
    </script>
</head>