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<!DOCTYPE html PUBLIC "-//W3C//Dtd XHTML 1.0 transitional//EN" "http://www.w3.org/tr/xhtml1/Dtd/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>问卷</title>
<script src="js/jquery-1.10.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$('select').change(function(e){
var div=$(this).parents('div').attr('id');
var oldvalue=$(this).attr('old');
var currentvalue=$(this).val();
var checkText=$(this).find("option:selected").text();
if(oldvalue){
$('#'+div+' select option[value='+oldvalue+']').show();
}
$('#'+div+' select option[value='+currentvalue+']').hide();
$(this).attr('old',currentvalue);
});
});
</script>
</head>
<body>
<p>我想实现:<br />
<br />
<br />
<br />
现在的代码不兼容IE6,IE8,现在要求:兼容IE6,IE8</p>
<p> </p>
<p>组1 </p>
<div id="B1">
<p>
<select name="B1other1_1" id='B1other1_1' >
<option value=''>请选择</option>
<option value='1'>选择1</option>
<option value='2'>选择2</option>
<option value='3'>选择3</option>
<option value='4'>其它</option>
</select>
<input type="text" name="B1other1_2" id="B1other1_2" />
</p>
<p>
<select name="B1other2_1" id='B1other2_1' >
<option value=''>请选择</option>
<option value='1'>选择1</option>
<option value='2'>选择2</option>
<option value='3'>选择3</option>
<option value='4'>其它</option>
</select>
<input type="text" name="B1other2_2" id="B1other2_2" />
</p>
<p>
<select name="B1other3_1" id='B1other3_1' >
<option value=''>请选择</option>
<option value='1'>选择1</option>
<option value='2'>选择2</option>
<option value='3'>选择3</option>
<option value='4'>其它</option>
</select>
<input type="text" name="B1other3_2" id="B1other3_2" />
</p>
<p>
<select name="B1other4_1" id='B1other4_1' >
<option value=''>请选择</option>
<option value='1'>选择1</option>
<option value='2'>选择2</option>
<option value='3'>选择3</option>
<option value='4'>其它</option>
</select>
<input type="text" name="B1other4_2" id="B1other4_2" />
</p>
</div>
组2
<div id="B2">
<p>
<select name="B2other1_1" id='B2other1_1' >
<option value=''>请选择</option>
<option value='1'>选择1</option>
<option value='2'>选择2</option>
<option value='3'>选择3</option>
<option value='4'>选择4</option>
<option value='5'>其它</option>
</select>
<input type="text" name="B2other1_2" id="B2other1_2" />
</p>
<p>
<select name="B2other2_1" id="B2other2_1" >
<option value=''>请选择</option>
<option value='1'>选择1</option>
<option value='2'>选择2</option>
<option value='3'>选择3</option>
<option value='4'>选择4</option>
<option value='5'>其它</option>
</select>
<input type="text" name="B2other2_2" id="B2other2_2" />
</p>
<p>
<select name="B2other3_1" id='B2other3_1' >
<option value=''>请选择</option>
<option value='1'>选择1</option>
<option value='2'>选择2</option>
<option value='3'>选择3</option>
<option value='4'>选择4</option>
<option value='5'>其它</option>
</select>
<input type="text" name="B2other3_2" id="B2other3_2" />
</p>
<p>
<select name="B2other4_1" id='B2other4_1' >
<option value=''>请选择</option>
<option value='1'>选择1</option>
<option value='2'>选择2</option>
<option value='3'>选择3</option>
<option value='4'>选择4</option>
<option value='5'>其它</option>
</select>
<input type="text" name="B2other4_2" id="B2other4_2" />
</p>
<p>
<select name="B2other5_1" id='B2other5_1' >
<option value=''>请选择</option>
<option value='1'>选择1</option>
<option value='2'>选择2</option>
<option value='3'>选择3</option>
<option value='4'>选择4</option>
<option value='5'>其它</option>
</select>
<input type="text" name="B2other5_2" id="B2other5_2" />
</p>
</div>
</body>
</html>
<script>
$(document).ready(function(){
$('select').change(function(e){
var _this = $(this),v = $("option:checked",_this).val(),oldv = _this.data("oldv"),ps = _this.closest("p").siblings();
v && ps.find("option[value='"+ v +"']").wrap("<hide>");
oldv && ps.find("option[value='"+ oldv +"']").unwrap();
_this.data("oldv",v);
});
});
</script>
<!DOCTYPE html>
<script src="https://ss0.bdstatic.com/5aV1bjqh_Q23odCf/static/superplus/js/lib/jquery-1.10.2_d88366fd.js"></script>
<script>
$(document).ready(function(){
$('select').change(function(e){
var div=$(this).parents('div').attr('id');
var oldvalue=$(this).attr('old');
var currentvalue=$(this).find('option:checked').val();
var id=$(this).attr('id');
if(oldvalue){
$('#'+div+' select').not('#'+id).find('option[value='+oldvalue+']').unwrap();
}
$('#'+div+' select').not('#'+id).find('option[value='+currentvalue+']').wrap('<other></other>');
$(this).attr('old',currentvalue);
});
});
</script>
<html lang="en">
<head>
<meta charset="utf-8">
<title>HTML</title>
</head>
<body>
<div id="a1">
<p>
<select name="a1select1" id='a1select1'>
<option value=''>请选择</option>
<option value='1'>选择1</option>
<option value='2'>选择2</option>
<option value='3'>选择3</option>
<option value='4'>选择4</option>
<option value='5'>选择5</option>
</select>
</p>
<p>
<select name="a1select2" id='a1select2'>
<option value=''>请选择</option>
<option value='1'>选择1</option>
<option value='2'>选择2</option>
<option value='3'>选择3</option>
<option value='4'>选择4</option>
<option value='5'>选择5</option>
</select>
</p>
<p>
<select name="a1select3" id='a1select3'>
<option value=''>请选择</option>
<option value='1'>选择1</option>
<option value='2'>选择2</option>
<option value='3'>选择3</option>
<option value='4'>选择4</option>
<option value='5'>选择5</option>
</select>
</p>
<p>
<select name="a1select4" id='a1select4'>
<option value=''>请选择</option>
<option value='1'>选择1</option>
<option value='2'>选择2</option>
<option value='3'>选择3</option>
<option value='4'>选择4</option>
<option value='5'>选择5</option>
</select>
</p>
<p>
<select name="a1select5" id='a1select5'>
<option value=''>请选择</option>
<option value='1'>选择1</option>
<option value='2'>选择2</option>
<option value='3'>选择3</option>
<option value='4'>选择4</option>
<option value='5'>选择5</option>
</select>
</p>
</div>
<div id="A2">
<p>
<select name="A2select1" id='A2select1'>
<option value=''>请选择</option>
<option value='1'>选择1</option>
<option value='2'>选择2</option>
<option value='3'>选择3</option>
<option value='4'>选择4</option>
<option value='5'>选择5</option>
</select>
</p>
<p>
<select name="A2select2" id='A2select2'>
<option value=''>请选择</option>
<option value='1'>选择1</option>
<option value='2'>选择2</option>
<option value='3'>选择3</option>
<option value='4'>选择4</option>
<option value='5'>选择5</option>
</select>
</p>
<p>
<select name="A2select3" id='A2select3'>
<option value=''>请选择</option>
<option value='1'>选择1</option>
<option value='2'>选择2</option>
<option value='3'>选择3</option>
<option value='4'>选择4</option>
<option value='5'>选择5</option>
</select>
</p>
<p>
<select name="A2select4" id='A2select4'>
<option value=''>请选择</option>
<option value='1'>选择1</option>
<option value='2'>选择2</option>
<option value='3'>选择3</option>
<option value='4'>选择4</option>
<option value='5'>选择5</option>
</select>
</p>
<p>
<select name="A2select5" id='A2select5'>
<option value=''>请选择</option>
<option value='1'>选择1</option>
<option value='2'>选择2</option>
<option value='3'>选择3</option>
<option value='4'>选择4</option>
<option value='5'>选择5</option>
</select>
</p>
</div>
</body>
</html>
把之前给你的代码改了下了。测试下来ie8应该没啥问题,ie6没模拟