?? 09.htm
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<title>下拉菜單圖形預覽</title>
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<td style="BORDER-RIGHT: double; BORDER-TOP: double; BORDER-LEFT: double; BORDER-BOTTOM: double;" height="70"><strong><a href="09.htm">演<br>
<br>
示</a></strong></td>
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<td style="BORDER-RIGHT: double; BORDER-TOP: double; BORDER-LEFT: double; BORDER-BOTTOM: double" height="70"><strong><a href="09c.htm">源<br>
代<br>
碼</a></strong></td>
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<b>下拉菜單圖形預覽</b>
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<td width="40" valign="top">提示：</td>
<td> 選擇下下拉菜單中的圖形，然后按View按鈕，下面的圖形會變換成相對應的圖形。<br>
<br>
<script language="JavaScript">
<!--
image1= new Image();
image1.src = "../pic/pic01.gif";
image2= new Image();
image2.src = "../pic/pic02.gif";
image3= new Image();
image3.src = "../pic/pic03.gif";
function imgchange(){
var imageNum = document.form.selImage.selectedIndex + 1;
fname = eval("image" + imageNum + ".src")
document.img.src = fname
}
//-->
</script>
<form name="form">
<select name="selImage" size=1>
<option selected>圖形 1
<option>圖形 2
<option>圖形 3
</select>
<input type="button" value="View" onClick="imgchange()" name="button">
</form>
<img src="../pic/pic01.gif" name="img" > </td>
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</td>
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<td height="20" class="white" bgcolor="#336699">當前位置:<a href="../../index.htm">首
頁</a>→<a href="../index.htm">JavaScript</a>→<a href="index.htm#9">圖形特效</a>→下拉菜單圖形預覽</td>
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<td align="center" bgcolor="#336699" height="35"> <font color="#FFFFFF">··萬旭網站工作室
設計發布··</font></td>
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