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21.讓快顯視窗總是在最上面:
<body onblur="this.focus();">
22.不要捲軸?
讓豎條沒有:
<body style="overflow:scroll;overflow-y:hidden">
</body>
讓橫條沒有:
<body style="overflow:scroll;overflow-x:hidden">
</body>
兩個都去掉？更簡單了
<body scroll="no">
</body>
23.怎樣去掉圖片連結點擊後，圖片周圍的虛線？
<a href="#" ><img src="/UploadPic/2007-4/200741191119658.jpg" border=0></a>
24.電子郵件處理提交表單
<form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
<input type=submit>
</form>
25.在開啟的子視窗重新整理父視窗的代碼裡如何寫？
window.opener.location.reload()
26.如何設定開啟頁面的大小
<body >
開啟頁面的位置<body >
27.在頁面中如何加入不是滿鋪的背景圖片,拉動頁面時背景圖不動
<STYLE>
body
{background-image:url(logo.gif); background-repeat:no-repeat;
background-position:center;background-attachment: fixed}
</STYLE>
28. 檢查一段字串是否全由數字組成
<script language="Javascript"><!--
function checkNum(str){return str.match(//D/)==null}
alert(checkNum("1232142141"))
alert(checkNum("123214214a1"))
// --></script>
29. 獲得一個視窗的大小
document.body.clientWidth; document.body.clientHeight
30. 怎麼判斷是否是字元
if (/[^/x00-/xff]/g.test(s)) alert("含有漢字");
else alert("全是字元");
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