validation of radio button

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suras madu dil
validation of radio button
2 Answer(s)      4 years and 9 months ago
Posted in : JavaScript Questions

There are 3 radio button as A,B,W. there are another radio as 1,2,3.if we select W in first radio button then should select 2nd one(1,2,3).if we select A or B not need select any one from 1,2,3.

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August 24, 2012 at 1:45 PM


Here is an example that validate the radiobutton.

<html>
<script language = JavaScript>
function validate(){
if(document.f1.radio[2].checked == true){ 
   if ( ( document.f1.radios[0].checked == false ) && ( document.f1.radios[1].checked == false )&& ( document.f1.radios[2].checked == false ) ){
        alert ( "Please choose any radio button from second one!" );
        document.f1.radios[0].focus();
        return false;
    }
    }
return true;
}
</script>
<form name="f1" onsubmit ="return validate();">
<pre>
Select: <input type="radio" name="radio" value="A">A   <input type="radio" name="radio" value="B">B  <input type="radio" name="radio" value="W">W

Select: <input type="radio" name="radios" value="1">1   <input type="radio" name="radios" value="2">2  <input type="radio" name="radios" value="3">3

<input name="Submit" value="Send" type="submit" >
</pre>
</form>
</html>


August 25, 2012 at 11:24 AM


Thank you.it is working


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