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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">
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<body bgcolor="#FFFFFF" >
<script language="Javascript" src="/pub/js/head.js"></script>
<table width="760" height="20" border=0 cellspacing="0" cellpadding="0" align="center">
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<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实例</font></td>
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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>
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<table width="760" border="0" cellspacing="0" cellpadding="0" align="center">
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<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> 辨 别 浏 览 器</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>
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<table width="760" border="0" cellspacing="0" cellpadding="0" align="center">
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<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>
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<td align="center" valign="top" height="17">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr align="center">
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<table width="110" border="0" cellspacing="0" cellpadding="0">
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<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>
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</table>
</td>
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</table>
</td>
<td height="17" align="left">
<p> </p>
<table width="83%" border="2" cellspacing="0" cellpadding="0" bordercolor="#9999FF">
<tr>
<td class=p2> <br>
<script language="JavaScript"><!--
document.write("<CENTER>您的浏览器是: " +navigator.appName + " " + navigator.appVersion +"<CENTER>")
// --></script>
<br>
</td>
</tr>
</table>
<p> </p>
</td>
<td bgcolor="5F74BF" width="28" align="center" height="17"> </td>
<td width="37" align="center" height="17"> </td>
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<td align="center" valign="top">
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<td height="30"> </td>
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<table width="110" border="0" cellspacing="0" cellpadding="0">
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<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>
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</td>
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<td width="457" class="p2" valign="top">
<p><b><br>
<br>
</b></p>
<p><br>
<span class="p1"><font color="#6633FF">这段程序放在<body>与</body>之间</font></span><b><br>
<br><form>
<textarea name="textarea" onFocus="this.select()" onMouseOver="this.focus()" cols="50" rows="8" wrap="VIRTUAL" style="BACKGROUND-COLOR:CFDFFF;" ><script language="JavaScript">
<!--
document.write("<CENTER>您的浏览器是: " +navigator.appName + " " + navigator.appVersion +"<CENTER>")
// -->
</script></textarea></form>
<br>
</b></p>
</td>
<td bgcolor="5F74BF" width="28" align="center"> </td>
<td width="37" align="center"> </td>
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<td align="center" valign="bottom">
<table width="238" border="0" cellspacing="0" cellpadding="0">
<tr align="center">
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<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">
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<td class="p2" align="right" width="696"> <br>
<table width="650" border="0" cellspacing="0" cellpadding="0">
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<td class="p1"> </td>
</tr>
</table>
<table width="647" border="0" cellspacing="0" cellpadding="0">
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<td>
<table width="100%" border="1" cellspacing="1" cellpadding="1" bordercolorlight="#666666">
<tr class=p2>
<td width="39%">" +navigator.appName + " " + navigator.appVersion
+"</td>
<td width="61%">navigater是浏览器对象，appName是提供字符串形式的浏览器名称，appVersion是反映浏览器的版本号。</td>
</tr>
</table>
</td>
</tr>
</table>
<br>
</td>
<td class="p2" width="15"> </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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