给你一段代码,你看一下吧
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<script type="text/javascript">
function checkdata(){
var obj_meisu = document.getElementsByName("meisu");
var obj_zirankexue = document.getElementsByName("zirankexue");
var is_meisu_Checked = false;
var is_zirankexue_Checked = false;
for(i=0;i<obj_meisu.length;i++){
if(obj_meisu[i].checked){
is_meisu_Checked = true;
break;
}
}
for(i=0;i<obj_zirankexue.length;i++){
if(obj_zirankexue[i].checked){
is_zirankexue_Checked = true;
break;
}
}
alert(is_meisu_Checked);
alert(is_zirankexue_Checked);
}
</script>
</HEAD> <BODY>
<table>
<tr>
<td height= "30 " align= "center " bgcolor= "#FFFFFF "> <span class= "STYLE6 "> 英语 </span> </td>
<td height= "30 " align= "center " bgcolor= "#FFFFFF "> <input name= "yingyu " type= "text " id= "yingyu " size= "6 " /> </td>
<td align= "center " bgcolor= "#FFFFFF "> <span class= "STYLE6 "> 美术 </span> </td>
<td align= "center " bgcolor= "#FFFFFF "> <span class= "STYLE6 ">
<input type="radio" name="meisu" value= "radiobutton " />
优
<input type="radio" name="meisu" value= "radiobutton " />
良
<input type="radio" name="meisu" value= "radiobutton " />
及格
<input type="radio" name="meisu" value= "radiobutton " />
不及格 </span> </td>
</tr>
<tr>
<td height= "30 " align= "center " bgcolor= "#FFFFFF "> <span class= "STYLE6 "> 语文 </span> </td>
<td height= "30 " align= "center " bgcolor= "#FFFFFF "> <input name= "yuwen " type= "text " id= "yuwen " size= "6 " /> </td>
<td align= "center " bgcolor= "#FFFFFF "> <span class= "STYLE6 "> 自然科学 </span> </td>
<td align= "center " bgcolor= "#FFFFFF "> <span class= "STYLE6 ">
<input type="radio" name="zirankexue" value= "radiobutton " />
优
<input type="radio" name="zirankexue" value= "radiobutton " />
良
<input type="radio" name="zirankexue" value= "radiobutton " />
及格
<input type="radio" name="zirankexue" value= "radiobutton " />
不及格 </span> </td>
</tr> </table>
<input type="button" onclick="checkdata()" value="button" />
</BODY>
</HTML>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<script type="text/javascript">
function checkdata(){
var obj_meisu = document.getElementsByName("meisu");
var obj_zirankexue = document.getElementsByName("zirankexue");
var is_meisu_Checked = false;
var is_zirankexue_Checked = false;
for(i=0;i<obj_meisu.length;i++){
if(obj_meisu[i].checked){
is_meisu_Checked = true;
break;
}
}
for(i=0;i<obj_zirankexue.length;i++){
if(obj_zirankexue[i].checked){
is_zirankexue_Checked = true;
break;
}
}
alert(is_meisu_Checked);
alert(is_zirankexue_Checked);
}
</script>
</HEAD> <BODY>
<table>
<tr>
<td height= "30 " align= "center " bgcolor= "#FFFFFF "> <span class= "STYLE6 "> 英语 </span> </td>
<td height= "30 " align= "center " bgcolor= "#FFFFFF "> <input name= "yingyu " type= "text " id= "yingyu " size= "6 " /> </td>
<td align= "center " bgcolor= "#FFFFFF "> <span class= "STYLE6 "> 美术 </span> </td>
<td align= "center " bgcolor= "#FFFFFF "> <span class= "STYLE6 ">
<input type="radio" name="meisu" value= "radiobutton " />
优
<input type="radio" name="meisu" value= "radiobutton " />
良
<input type="radio" name="meisu" value= "radiobutton " />
及格
<input type="radio" name="meisu" value= "radiobutton " />
不及格 </span> </td>
</tr>
<tr>
<td height= "30 " align= "center " bgcolor= "#FFFFFF "> <span class= "STYLE6 "> 语文 </span> </td>
<td height= "30 " align= "center " bgcolor= "#FFFFFF "> <input name= "yuwen " type= "text " id= "yuwen " size= "6 " /> </td>
<td align= "center " bgcolor= "#FFFFFF "> <span class= "STYLE6 "> 自然科学 </span> </td>
<td align= "center " bgcolor= "#FFFFFF "> <span class= "STYLE6 ">
<input type="radio" name="zirankexue" value= "radiobutton " />
优
<input type="radio" name="zirankexue" value= "radiobutton " />
良
<input type="radio" name="zirankexue" value= "radiobutton " />
及格
<input type="radio" name="zirankexue" value= "radiobutton " />
不及格 </span> </td>
</tr> </table>
<input type="button" onclick="checkdata()" value="button" />
</BODY>
</HTML>
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货