atikju

<div class="cart-promo">
  <h2>ENTER A PROMO CODE</h2>
  <input type="text" id="devPromo">
  <a href="/checkout?discount=none" id="redemDevPromo">Apply Coupon</a>
</div>
<script>
  $(document).ready(function(){
    //listen to the promo button click
    $('#redemDevPromo').on('click', function(event){
      //disable the button event