Twitch-grabs-candy/order_site/static/picker.js

$(document).ready(function(){

var quantitiy=0;
 $('.quantity-right-plus').click(function(e){
      
      // Stop acting like a button
      e.preventDefault();
      // Get the field name
      var quantity = parseInt( $(this).parent().siblings('input').val() ) ;
      
      // If is not undefined
          
          // $('#quantity').val(quantity + 1);

          $(this).parent().siblings('input').val(quantity + 1)

        
          // Increment
      
  });

   $('.quantity-left-minus').click(function(e){
      // Stop acting like a button
      e.preventDefault();
      // Get the field name
      var quantity = parseInt( $(this).parent().siblings('input').val() ) ;
      
      // If is not undefined
    
          // Increment
          if(quantity>0){
          $(this).parent().siblings('input').val(quantity - 1);
          }
  });
  
});

function submitOrder(){

  var data = new FormData();
  data.append('candy1', $('#candy1').val());
  data.append('candy2', $('#candy2').val());
  data.append('candy3', $('#candy3').val());
  data.append('candy4', $('#candy4').val());

  $.ajax({
    url: 'order',
    type: 'POST',
    cache: false,
    data: data,
    contentType: false,
    processData: false,
    success: function() {
      alert("ok")
    },
    fail: function() {
      alert("not ok")
    },
  });
}