发布于 2017-01-11 06:55:55 | 139 次阅读 | 评论: 0 | 来源: 网友投递
这里有新鲜出炉的Javascript教程，程序狗速度看过来！
JavaScript客户端脚本语言
Javascript 是一种由Netscape的LiveScript发展而来的原型化继承的基于对象的动态类型的区分大小写的客户端脚本语言，主要目的是为了解决服务器端语言，比如Perl，遗留的速度问题，为客户提供更流畅的浏览效果。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<span class='wp_keywordlink_affiliate'><a href="tag/html" title="查看 html 中的全部文章" target="_blank">html</a></span>4/loose.dtd">
<<span class='wp_keywordlink_affiliate'><a href="tag/html" title="查看 html 中的全部文章" target="_blank">html</a></span>>
<head>
<title>Select下拉列表框进行多选、移除、交换内容</title>
<meta http-equiv="Content-Type" content="text/<span class='wp_keywordlink_affiliate'><a href="tag/html" title="查看 html 中的全部文章" target="_blank">html</a></span>; charset=gb2312">
</head>
<body style="font-size:12px">
<form name="form1" method="post" action="">
<table width="380" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td width="150"><table width="150" border="0" cellpadding="1" cellspacing="1" bgcolor="#CAFAFC">
<tr>
<td height="25" background="wp-content/uploads/2012/05/79760-772704496-8.gif" bgcolor="#FFFFFF"> 请选择：</td>
</tr>
<tr>
<td align="center" bgcolor="#FFFFFF"><select name="sel_place1" size="6" multiple id="sel_place1" style="width:100px " >
<option value="sel1">江苏省</option>
<option value="sel2">广东省</option>
<option value="sel3">河南省</option>
<option value="sel4">吉林省</option>
<option value="sel5">浙江省</option>
</select></td>
</tr>
</table></td>
<td width="80" align="center" valign="bottom"><input name="sure1" type="button" id="sure1"
onClick="allsel(document.form1.sel_place2,document.form1.sel_place1);" value="<<">
<input name="sure2" type="button" id="sure2"
onClick="allsel(document.form1.sel_place1,document.form1.sel_place2);" value=">>" align="center" height="2"></td>
<td width="150"><table width="150" border="0" cellpadding="1" cellspacing="1" bgcolor="#CAFAFC">
<tr>
<td height="25" background="wp-content/uploads/2012/05/79760-772704496-8.gif" bgcolor="#FFFFFF"> 请选择：</td>
</tr>
<tr>
<td align="center" bgcolor="#FFFFFF"><select name="sel_place2" size="6" multiple id="sel_place2" style="width:100px ">
</select></td>
</tr>
</table></td>
</tr>
</table>
</form>
<script language="javascript">
function allsel(n1,n2)
{
while(n1.selectedIndex!=-1)
{
var indx=n1.selectedIndex;
var t=n1.options[indx].text;
n2.options.add(new Option(t));
n1.remove(indx);
}
}
</script>
</body>
</html></td>
</tr>
</table>