<html>
<head>
<title>全局变量</title>
<script>
var msg="sssssssss";
var interval = 100;
var spacelen = 120;
var space10=" ";
var seq=0;
var str="";
function ss()
{
document.write(msg.substring(0,seq+1));
seq++;
if(seq<msg.length) window.setTimeout("ss();",5000);
}
ss();
</script>
</head>
<body>
</body>
</html>
运动时,只能输出ss后报错,报1行,缺少对象;
我是菜鸟,请各位指教下;
<head>
<title>全局变量</title>
<script>
var msg="sssssssss";
var interval = 100;
var spacelen = 120;
var space10=" ";
var seq=0;
var str="";
function ss()
{
document.write(msg.substring(0,seq+1));
seq++;
if(seq<msg.length) window.setTimeout("ss();",5000);
}
ss();
</script>
</head>
<body>
</body>
</html>
运动时,只能输出ss后报错,报1行,缺少对象;
我是菜鸟,请各位指教下;
这里错了,
document.write(msg.substr(0,seq+1));
这样试试
当执行这一步后 你后面的代码将全部会被清掉
建议你用一个容器来存你输出的值