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<td height=20 class="p1" bgcolor="#E8E8E8" align="left"><img src="/pc/img/blank.gif" width="12" height="8"><font color="#000000"><font color="#FF9966">當前位置</font>：<a href="/default.htm" class="under">洪恩在線</a>
-> <a href="/pc/index.htm" class="under">電腦樂園</a> -> CSS特效賞析</font></td>
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<td width="115" align="center" class="p2"><b><font color="#FFFFFF">CSS特效賞析</font></b></td>
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<p class="p1" style="line-height:17pt" align="left"> 1.<a href="csstx01.htm">動態改變樣式</a><br>
2.<a href="csstx02.htm">動態可視化效果</a><br>
3.<a href="csstx03.htm">動態濾鏡顯示</a><br>
4.<a href="csstx04.htm">Blentrans屬性</a><br>
5.<a href="csstx05.htm">Revealtrans屬性</a><br>
6.<a href="csstx06.htm">動態Glow屬性</a><br>
7.<a href="csstx07.htm">顯示和隱藏</a><br>
8.<a href="csstx08.htm">兼容兩種瀏覽器</a><br>
9.<a href="csstx09.htm">移動對象</a><br>
10.<a href="csstx10.htm">對象的滑動</a><br>
11.<a href="csstx11.htm">鍵盤控制對象</a><br>
12.<a href="csstx12.htm">鼠標控制對象</a><br>
13.<a href="csstx13.htm">Clip屬性的應用</a><br>
14.<a href="csstx14.htm">動態文字變換</a><br>
15.動態改變頁面樣式<br>
16.動態時鐘控制<br>
17.倒計時<br>
18.動態刷新<br>
</p>
<p align="center" class=p1> <a href=/pc/bin/msg.pl?file_id=k_csstx target="_blank"><img src="/pc/img/message.gif" width="64" height="54" alt="請您留言" border="0"><br>
談談您的看法</a> <br>
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<p align="center"><b><span class="p3"><br>
<font color="#3366CC">CSS特效賞析</font></span></b></p>
<p align="right" class="p1"> <a href="csstx06.htm">上一實例</a> <a href="csstx08.htm">下一實例</a> </p>
<hr color=blue size=1>
<p class="p2" style="line-height:17pt"> <font color="#336633"><b>7、顯示和隱藏</b></font></p>
<p class="p2" style="line-height:17pt"> 我們來看一下這個例子，點擊圖片下方的文字使圖片顯示/隱藏</p>
<script LANGUAGE="JavaScript">
<!--
ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false
function showObject() {
if (ns4) document.blockDiv.visibility = "show"
else blockDiv.style.visibility = "visible"
}
function hideObject() {
if (ns4) document.blockDiv.visibility = "hide"
else blockDiv.style.visibility = "hidden"
}
//-->
</SCRIPT>
<div id="blockDiv" style="visibility:visible;" align="center"> <img src="img/ss05050.jpg" border=0 alt="圖片"></div>
<p class="p2" style="line-height:17pt" align="center"><A HREF="javascript:showObject()">顯示-
show</A> <A HREF="javascript:hideObject()">隱藏- hide</A>
<p class="p2" style="line-height:17pt"> 我們來看一下這個例子的源代碼：
<p class="p2" style="line-height:17pt"> <html> <br>
<head> <br>
<script language="JavaScript"> <br>
<!--<br>
ns4 = (document.layers)? true:false <br>
ie4 = (document.all)? true:false <br>
function init() { <br>
if (ns4) block = document.blockDiv <br>
if (ie4) block = blockDiv.style }<font color="#CC3399">//*設置對象block*//</font>
<br>
function showObject(obj) { <br>
if (ns4) obj.visibility = "show" <br>
else if (ie4) obj.visibility = "visible" } <br>
function hideObject(obj) { <br>
if (ns4) obj.visibility = "hide" <br>
else if (ie4) obj.visibility = "hidden" }<br>
<font color="#CC3399">//*定義兩個函數分別用來顯示、隱藏對象block*//</font> <br>
//--> </script> </head> <br>
<body onLoad="init()"> <br>
<a href="javascript:showObject(block)">顯示-show</A> <br>
<a href="javascript:hideObject(block)">隱蔽-hide</A> <br>
<font color="#CC3399">//*兩個超鏈接調用javascript中的兩個函數*//</font> <br>
<div id="blockDiv" style="position:absolute; left:50; top:100;<br>
width:200; visibility:visible;"> <br>
<img src="ss01094.jpg" border=0> </DIV> <font color="#CC3399">//*導入一張圖片*//</font>
<br>
</body> <br>
</html>
<p class="p2" style="line-height:17pt"> 我們看到這段代碼有一些不同于前面的例子的特點。其實CSS大部分動態的特效都是<br>
DHTML的范疇。<br>
也就是說，它們都是CSS與JavaScript結合起來實現的一種效果。另外，上面這個例<br>
子還涉及到了IE和NS兼容的問題。我們將在下一節針對兩種瀏覽器的兼容問題做詳細講<br>
解。
<p class="p2" style="line-height:17pt"> </p>
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<p class="p1" align="right" width="280" height="185"> <a href="csstx06.htm">上一實例</a> <a href="csstx08.htm">下一實例</a> </p>
<p> </p>
<p align="center" class=p2><a href=/pc/bin/msg.pl?file_id=k_csstx target="_blank"><img src="/pc/img/message.gif" width="64" height="54" alt="請您留言" border="0"><br>
談談您的看法</a>
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