jQuery Validation

by Yassar Khan

HTML

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<script src="https://storageyk.s3.amazonaws.com/js/jquery-validation/core.js"></script>
<script src="https://cdn.jsdelivr.net/jquery.validation/1.14.0/additional-methods.min.js"></script>
<form id="orgform">
  <input class="org-group" type="checkbox" name="org" id="org[1]" value="on">
  <input class="org-group" type="checkbox" name="org" id="org[2]" value="on">
  <input class="org-group" type="checkbox" name="org" id="org[3]" value="on">
  <input class="org-group" type="checkbox" name="org" id="org[4]" value="on">
  <input type="submit" value="Validate">
</form>

JavaScript

$("#orgform").validate({
  rules: {
    org: {
      require_from_group: [1, ".org-group"]
    }
  }
});