如题:A....................<script>
var x=10;
function get()
{alert(x)}
</script>
</head><body onload="get()">
</body>
</html>
B.................<script>
var obody=document.body;
function get()
{alert(obody.nodeName)}
</script>
</head><body onload="get()">
</body>
</html>为什么A里能正确输出10,而B里确实报错呢
请高手解释一下,谢谢了!
var x=10;
function get()
{alert(x)}
</script>
</head><body onload="get()">
</body>
</html>
B.................<script>
var obody=document.body;
function get()
{alert(obody.nodeName)}
</script>
</head><body onload="get()">
</body>
</html>为什么A里能正确输出10,而B里确实报错呢
请高手解释一下,谢谢了!
改成
function get()
{
var obody=document.body;
alert(obody.nodeName);
}
<script>
var obody;
function get(){
obody = document.body;
alert(obody.nodeName)
}</script>
</head> <body onload="get()">
</body>
</html>