validate on blur for unsubmitted forms
http://stackoverflow.com/questions/9189910/jquery-form-validation-onblur
by nXqd
HTML
<script src="http://ajax.aspnetcdn.com/ajax/jquery.validate/1.9/jquery.validate.min.js"></script>
<form name="myForm">
<fieldset>
<legend>My Form</legend>
<label for='number'>Number</label>
<input name='number'/>
<label for='change-range'>Max range</label>
<input name='change-range'/>
</fieldset>
<input type="submit">
</form>
CSS
.error { color: red; }
JavaScript
$("form").validate({
rules: {
number: {required: true, range: [1,2]}
}
});