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<html>
<head>
<title>洪恩在线 - Javascript实例</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<link rel="stylesheet" href="../homepage.css">
</head>
<body bgcolor="#FFFFFF" leftmargin="0" marginwidth="0">
<script language="Javascript" src="/pub/js/head.js"></script>
<table width="760" height="20" border=0 cellspacing="0" cellpadding="0" align="center">
<tr bgcolor="CFDFFF">
<td height=20 class="p1" align="left"><img src="/pc/img/blank.gif" width="12" height="8"><font color="#000000"><font color="#FF9966">当前位置</font>：<a href="/default.htm" class="under">洪恩在线</a>
-> <a href="/pc/index.htm" class="under">电脑乐园</a> -> JavaScript</font></td>
</tr>
</table>
<table width="760" border=0 cellspacing="0" cellpadding="0" align="center">
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<td width="207" valign="top"><img src="img/bule.gif" width="207" height="13"></td>
<td bgcolor="A8A8AB" width="1"><img src="img/blank.gif" width="1" height="1"></td>
<td align="right" height="22" width=530><img src="img/js.gif" width="186" height="20"></td>
<td width="22"><img src="img/blank.gif" width="1" height="1"></td>
</tr>
</table>
<table width="760" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td width="124"><img src="img/blank.gif" width="1" height="1"></td>
<td background="img/line.gif" height="27" width=636><img src="img/blank.gif" width="1" height="1"></td>
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<table width="760" border="0" cellspacing="0" cellpadding="0" align="center">
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<td class=p3 align="center" width=711><b> 导 航 条 式 菜 单</b></td>
<td class="p2" width="1" bgcolor="A8A8AB"><img src="img/blank.gif" width="1" height="1"></td>
<td class="p2" width="48"> </td>
</tr>
</table>
<table width="760" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td align="center" valign="top"> </td>
<td> </td>
<td bgcolor="5F74BF" width="28" align="center"><img src="img/bule1.gif" width="28" height="49"></td>
<td width="37" align="center"> </td>
</tr>
<tr>
<td align="center" valign="top">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr align="center">
<td>
<table width="110" border="0" cellspacing="0" cellpadding="0">
<tr bgcolor="5F74BF" align="center">
<td class="p1" align="right"><b><font color="#FFFFFF">效 果 演 示</font></b><font color="#FFFFFF">：</font></td>
<td class="p1" width="11"><img src="img/bule2.gif" width="11" height="18"></td>
</tr>
</table>
</td>
</tr>
</table>
</td>
<td class=p2 align="left" >
<div id="KB3Child" class="child">
<form>
<p> </p>
<p>
<select name="select1" size="1"
onChange="javascript:window.open(this.options[this.selectedIndex].value)"
style="BACKGROUND-COLOR: #d9dcff; COLOR: rgb(0,0,128); ">
<option selected>--搜索引擎--</option>
<option value="http://www.hongen.com">洪恩在线</option>
<option value="http://www.sina.com.cn">新浪网</option>
<option value="http://www.teacher.edu.cn">中国园丁网</option>
</select>
</p>
</form>
</div>
</td>
<td bgcolor="5F74BF" width="28" align="center"> </td>
<td width="37" align="center"> </td>
</tr>
<tr>
<td align="center" valign="top">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td height="30"> </td>
</tr>
<tr align="center">
<td>
<table width="110" border="0" cellspacing="0" cellpadding="0">
<tr bgcolor="5F74BF" align="center">
<td class="p1" align="right"><b><font color="#FFFFFF">源代码如下</font></b><font color="#FFFFFF">：</font></td>
<td class="p1" width="11"><img src="img/bule2.gif" width="11" height="18"></td>
</tr>
</table>
</td>
</tr>
</table>
</td>
<td width="457" class="p2" valign="top"><b><br>
<br>
</b><span class="p1"><font color="#6633FF"> </font></span><b><br>
</b>
<form>
<p><span class="p1"><font color="#6633FF">这段程序放在<body>与</body>之间</font></span></p>
<p>
<textarea name="textarea" onFocus="this.select()" onMouseOver="this.focus()" cols="50" rows="10" wrap="VIRTUAL" style="BACKGROUND-COLOR: #D5E9FD;" ><form>
div align="center">
<select name="select1" size="1"
onChange="javascript:window.open(this.options[this.selectedIndex].value)"
style="BACKGROUND-COLOR: #d9dcff; COLOR: rgb(0,0,128); ">
<option selected>--搜索引擎--</option>
<option value="http://www.hongen.com">洪恩在线</option>
<option value="http://www.sina.com.cn">新浪网</option>
<option value="http://www.teacher.edu.cn">中国园丁网</option>
</select>
</div>
</form></textarea>
</p>
<p> </p>
</form>
<b><br>
</b></td>
<td bgcolor="5F74BF" width="28" align="center"> </td>
<td width="37" align="center"> </td>
</tr>
<tr>
<td align="center" valign="bottom">
<table width="238" border="0" cellspacing="0" cellpadding="0">
<tr align="center">
<td>
<table width="110" border="0" cellspacing="0" cellpadding="0">
<tr bgcolor="5F74BF" align="center">
<td class="p1" align="right"><b><font color="#FFFFFF">源程序讲解：</font></b></td>
<td class="p1" width="11"><img src="img/bule2.gif" width="11" height="18"></td>
</tr>
</table>
</td>
</tr>
</table>
</td>
<td width="457" class="p2" valign="top"> </td>
<td bgcolor="5F74BF" width="28" align="center"><img src="img/bule1.gif" width="28" height="49"></td>
<td width="37" align="center"> </td>
</tr>
</table>
<table width="760" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td class="p2" align="right" width="693"> <br>
<table width="650" border="0" cellspacing="0" cellpadding="0">
<tr>
<td>
<table width="100%" border="1" cellspacing="1" cellpadding="1" bordercolorlight="#666666" bordercolordark="#666666" class=p2>
<tr>
<td width="317"353">onChange="javascript:window.open<br>
(this.options[this.selectedIndex].value)" <br>
style="BACKGROUND-COLOR: #d9dcff; COLOR: rgb(0,0,128); </td>
<td width="423"353">当选项有变化时，执行当前选项的值，同时设定背景色，字体颜色。</td>
</tr>
<tr>
</table>
</td>
</tr>
</table>
<br>
<br>
</td>
<td class="p2" width="18"> </td>
<td class="p2" width="1" bgcolor="A8A8AB"><img src="img/blank.gif" width="1" height="1"></td>
<td class="p2" width="48"> </td>
</tr>
</table>
<table width="760" border="0" cellspacing="0" cellpadding="0" align="center">
<tr bgcolor="5F74BF">
<td> </td>
</tr>
</table>
<p> </p>
</body>
</html>
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