Shopping carts play an important role in e-commerce websites. In this task, we will learn how to build a shopping cart with Ajax functionality to provide the best user experience. The result of this task will look like the following screenshot:
All we need for this task is the latest jQuery library and a sample .php file, ajax/shopping-cart.php.
This script will provide basic server functionality to retrieve and receive data:
<?php
if($_POST["productID"] && $_POST["action"]){
$productID = $_POST["productID"];
$action = $_POST["action"];
switch($action){
default:
$result["status"] = "ERROR";
$result["message"] = "Product has been added to the shopping cart.";
break;
case "add":
// logic for adding a product to the shopping cart
$result["status"] = "OK";
$result["message"] = "Product has been added to the shopping cart.";
break;
case "delete":
// logic for removing a product from...