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分享急急急！！各位大神帮忙看一下这个js
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'contract .jsp' starting page</title>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<!--<link rel="stylesheet" type="text/css" href="styles.css">-->
</head>
<body bgcolor="#EAEAEA">
<form action="" method="post" name="form1">
<table>
<tr>
<td>
<div id="11" style="position: absolute;">
<input type="text" size="15" name="in1" value="请输入/选择">
</div>
<div id="12" style="position: absolute; visibility: hidden;">
<select name="s1"onBlur="12.style.visibility='hidden';11.style.visibility='visible';13.style.visibility='visible'">
<option value="111">请选择</option>
<option value="222">123</option>
<option value="333">456</option>
</select>
</div>
<div id="13" style="position: absolute; left: 126; top: 19">
<select
name="s2"onMousedown="12.style.visibility='visible';11.style.visibility='hidden';13.style.visibilit='hidden'">
</select>
</div>
</td>
</tr>
</table>
</form>
</body>
</html>
主要实现：下拉框既可以下拉选择，又可以填写内容。
div id="13" style="position: absolute; left: 126; top: 19"></div>中的onMousedown事件无法触动。求详解！！
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'contract .jsp' starting page</title>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<!--<link rel="stylesheet" type="text/css" href="styles.css">-->
</head>
<body bgcolor="#EAEAEA">
<form action="" method="post" name="form1">
<table>
<tr>
<td>
<div id="11" style="position: absolute;">
<input type="text" size="15" name="in1" value="请输入/选择">
</div>
<div id="12" style="position: absolute; visibility: hidden;">
<select name="s1"onBlur="12.style.visibility='hidden';11.style.visibility='visible';13.style.visibility='visible'">
<option value="111">请选择</option>
<option value="222">123</option>
<option value="333">456</option>
</select>
</div>
<div id="13" style="position: absolute; left: 126; top: 19">
<select
name="s2"onMousedown="12.style.visibility='visible';11.style.visibility='hidden';13.style.visibilit='hidden'">
</select>
</div>
</td>
</tr>
</table>
</form>
</body>
</html>
主要实现：下拉框既可以下拉选择，又可以填写内容。
div id="13" style="position: absolute; left: 126; top: 19"></div>中的onMousedown事件无法触动。求详解！！
...全文
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