shopify-ajax-car.js

$.ajax( {
			type: 'GET',
			url: 'https://pacific-dream-seafoods.myshopify.com/cart.json?callback=?',
			dataType: 'jsonp',
			crossDomain: true,
			success: function(data) { 
				var item_count = data['item_count'];

				console.log(data);
			
				//If there are items in cart.
				if( item_count > 0 ) {
					$( '.cart > a' ).append( '<span class="cart_count" style="background-color: #000; display: inline-block; font-size: 13px; font-weight: 600; color: #FFF; border-radius: 50%; width: 20px; height: 20px; text-align: center; position: absolute; top: -10px; right: -50%;">'+ item_count +'</span>' );
				}
			},
			error: function(data){
				console.log(data);
		   }
		} );