缺少对象问题 - JavaScript论坛

已结贴√ 问题点数：20 回复次数：1

缺少对象问题

<html>
    <head>

    </head>
    <body >

    </body>
            <script type="text/javascript">
            var i=0;
            function a(){
            var str="Welcome to my Webdite!!"

                var qian=str.substr(0,i);

                var hou=str.substr(i,str.length);

                var qian1="<font size='30' color='red'>"+qian+"</font>";

                var hou1=hou;
                document.write(qian1+hou1);

                i++;
                if(i>str.length){
                    i=0;
                }
                window.setTimeout('a()',200)     //为什么没有对象

            }
            window.onload=a;
            </script>
</html>

搜索更多相关主题的帖子: 对象　

<html> <head> </head> <body > <div id="div"></div> </body> <script type="text/javascript"> var i=0; function a(){ var str="Welcome to my Webdite!!" var qian=str.substr(0,i); var hou=str.substr(i,str.length); var qian1="<font size='30' color='red'>"+qian+"</font>"; var hou1=hou; //找到div var a=document.getElementById("div"); a.innerHTML=qian1+hou1; i++; if(i>str.length){ i=0; } window.setTimeout('a()',200); } window.onload=a; </script> </html>