the above code will prevent the form from submitting if the checkbox is not checked.
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Question
Making a checkbox a required field.
I would like to know if there is a way to make a checkbox on a form a required field. I know that normally a checkbox is used to pick an option/selection but I would like to use it as a way to control accountability.
i.e. By selecting this box you agree to XXX....
Thank you,
seamil
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Answers
also, you may want to present a message:
<SCRIPT language='javascript'>
function validate(theForm)
{
var c = theForm.mycheckbox.checked
if ( c == false ) alert("you must check the box!");
return c;
}
</script>
<FORM name='myform' action='whatever.asp' method='post'
onSubmit='return validate(this);'>
<INPUT type='checkbox' name='mycheckbox'>
</form>
you can call it whatever you want inside the function as long as you pass a reference to the form when you call the function. So you can do this:
function validate(theForm)
and use "theForm" in the function, as long as you do this in the form tag:
onSubmit='return validate(this);'>
which is another way of doing this:
onSubmit='return validate(document.formname
If you still have problems, post your code and I will look it over.
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by: knightEknightPosted on 2002-06-11 at 13:21:48ID: 7071248
<FORM name='myform' action='whatever' method='post'
onSubmit='return this.mycheckbox.checked;'>
<INPUT type='checkbox' name='mycheckbox'>
</form>