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Just check if u want this
<html>
<head>
<title>Untitled Document</title>
<meta http-equiv=3D"Content-Type" content=3D"text/html;
charset=3Diso-8859-1">
</head>
<body bgcolor=3D"#FFFFFF" text=3D"#000000">
<script language=3D"JavaScript">
function validateme(){
for(var i=3D0;i<document.form1.myoption.length;i++){
if(!document.form1.myoption[i].checked)
{
alert('Yes')
}
else{
alert('No')
}
}
}
</script>
<form name=3D"form1" method=3D"post" action=3D"">
<input type=3D"radio" name=3D"myoption" value=3D"myoption">
<input type=3D"radio" name=3D"myoption" value=3D"myoption">
<input type=3D"radio" name=3D"myoption" value=3D"myoption">
<input type=3D"button" name=3D"Submit" value=3D"click"
onclick=3D"validateme();">
</form>
</body>
</html>
----- Original Message -----
From: Alex Bienz
To: javascript
Sent: Monday, April 08, 2002 4:33 PM
Subject: [javascript] [javascript]Validating Radio buttons
Hi there,
I've got a problem validating some radio buttons on my web page. I
have a simple form on my page with many different form object, including
text boxes and radio buttons,
when the submit button is clicked I run a validation script before
submitting the page, this validation script simply checks that data has
been input into the relevant sections and that none are left blank.
some code for checking that a textbox has been used looks like this...
if(b_q1 =3D=3D "") {
alert("Please answer all questions, Q1 in BACKGROUND DETAILS is
null.");
return false;
}
This works fine, and I'm happy with it, but for my radio buttons I'm
having more difficulty, I've found some code like this...
function validateme(){
if (document.form1.myoption[0].checked ||
document.form1.myoption[1].checked){alert('Yes')}
else{alert('No')}
}
However I would like to reverse this, perhaps by usng a NOT somewhere,
so that if they haven't been checked then it returns false, please bear
in mind that I have many different radio buttons on my form so the most
economic code would be most useful.
Thanks in advance!
Cheers,
Alex.
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