📄 09.htm
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<title>下拉菜单图形预览</title>
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<td bgcolor="#336699" width="18"></td>
<td align="center" bgcolor="#FFFFFF"> <br>
<table width="56%" border="0" cellspacing="0" cellpadding="0" height="355">
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<td rowspan="2" width="16" valign="top">
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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>
码</a></strong></td>
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</td>
<td rowspan="2" width="8" bgcolor="#336699"> </td>
<td align="center" style="BORDER-RIGHT: double; BORDER-TOP: double; FONT-SIZE: 12pt; BORDER-LEFT: double; BORDER-BOTTOM: double" bordercolor="#336699" valign="top" height="335"><br>
<b>下拉菜单图形预览</b>
<hr width="92%" size="1" align="center">
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<td width="40" valign="top">提示：</td>
<td> 选择下下拉菜单中的图形，然后按View按钮，下面的图形会变换成相对应的图形。<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>图形 1
<option>图形 2
<option>图形 3
</select>
<input type="button" value="View" onClick="imgchange()" name="button">
</form>
<img src="../pic/pic01.gif" name="img" > </td>
</tr>
</table>
</td>
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<tr>
<td height="20" class="white" bgcolor="#336699">当前位置:<a href="../../index.htm">首
页</a>→<a href="../index.htm">JavaScript</a>→<a href="index.htm#9">图形特效</a>→下拉菜单图形预览</td>
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<br>
</td>
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<tr>
<td bgcolor="#336699"></td>
<td align="center" bgcolor="#336699" height="35"> <font color="#FFFFFF">··万旭网站工作室
设计发布··</font></td>
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