不会是这样吧.
<body>
<script language="javascript">
var a=2;
var b=3;
var c=a+b;
document.write(c)
</script>
</body>
<body>
<script language="javascript">
var a=2;
var b=3;
var c=a+b;
document.write(c)
</script>
</body>
<body>
<script language="javascript">
var a=2;
var b=3;
var c=a+b;
document.write(c)
</script>
</body>
{
var a = 2, b = 3;
var c = a + b;
alert(c==a + b);
}
楼主不是把代码直接写以HTML里了吧?
看看有没有用<script language="JavaScript"></script>括起来呀。
a=2;b=3;c=a+b;
document.write(c);
</script>
这样写没问题阿