<script language="javascript">
function go(){//定義函數
window.location="main.html";//頁面跳轉
}
window.setTimeout("go()",1000);//1秒后執行函數go
</script>

<script language="javascript">
function go(){//定義函數
window.location="main.html";//頁面跳轉
}
window.setTimeout(function(){go()},1000);//1秒后執行函數go
</script>