JS Simple way to get the radio button values in the form _javascript tips

The example in this article describes the method of JS simple to get the radio button value in the form. Share to everyone for your reference, specific as follows:

The HTML section is as follows:

<form>
<tr bgcolor= "#FFFFFF" > <td width= "height=" "rowspan="
  3 "align=" Center "valign=" Middle "
  bordercolor=" #999999 "><span class=" STYLE1 "> Fallback type:</span></td> <td
  " 360 "align=" center "valign=" Middle "bordercolor=" #999999 "><input type=" Radio "name=" Returntag "
  value="-1 " checked= "Checked" >
  Reporting Department </td>
</tr>
<tr bgcolor= "#FFFFFF" >
  <td align= " Center "valign=" middle "bordercolor=" "#999999" ><input type= "Radio" name= "Returntag" value= "
  1" > Provincial Network Bidding Center </td>
</tr>
<tr bgcolor= "#FFFFFF" >
  <td align= "center" valign= "Middle" Bordercolor= "#999999" ><input
  type= "Radio" name= "Returntag" value= "2" > National Network Bidding center </td>
</ Tr></form1>

The JS code is as follows:

function GetValue ()
{
//Gets the radio button value for
  (Var i=0;i<form1.returntag.length;i++)
  {
   if ( form1.returntag[i].checked)
   {
    var returntagvalue=form1.returntag[i].value//Here is the radio button value
    }
  }
}

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I hope this article will help you with JavaScript programming.