中科新闻网孙亚龙直播dnf:我的这个Javascript程序到底错在哪了？为什么不能正确运行？
来源：百度文库 编辑：中科新闻网 时间：2024/05/05 16:42:53
//求1到10的和
<head>
<script language = "JavaScript">
var s,i,n;
function sum(n)
{
for(i=1; i<=n; i++)
{
s += i;
}
return s;
}
</script>
</head>
<body>
<script>
var result = sum(10);
document.write(result);
</script>
</body>
<head>
<script language = "JavaScript">
var s,i,n;
function sum(n)
{
for(i=1; i<=n; i++)
{
s += i;
}
return s;
}
</script>
</head>
<body>
<script>
var result = sum(10);
document.write(result);
</script>
</body>
<head>
<script language = "JavaScript">
var i,n;
var s=new Number()
function sum(n)
{
for(i=1; i<=n; i++)
{
s += i;
}
return s;
}
</script>
</head>
<body>
<script>
var result = sum(10);
document.write(result);
</script>
</body>
<head>
<script language = "JavaScript">
var s,i,n;
n=10;
function sum(n)
{
for(i=1; i<=n; i++)
{
s += i;
}
return s;
}
</script>
</head>
<body>
<script>
var result = sum();
document.write(result);
</script>
</body>