Develop shopping cart page with jQuery and introduce external jQuery library

In the previous chapter, we introduced the use of JavaScript to implement the shopping cart function.

In this chapter, we use a simplified version of the JavaScript library jQuery to implement the shopping cart function.

First we need to create a The front-end page of the shopping cart includes product selection, product pictures, product information, increase or decrease in product quantity, price changes, etc.

Perform various selective operations on the products, thereby affecting the changes in product subtotal prices and Changes in the total price of goods.

Similar to the previous JavaScript shopping cart page, here we just changed some CSS styles.

        
  
 
 
 
 
全选
 
商品
 
商品信息
 
数量
 
单价
 
操作
 
 
 
 
 
 
 
产品标题
 
产品介绍
 
    
 
 
操作
 
 
 
 
 
 
 
产品标题
 
产品介绍
 
    
 
 
操作
 
 
 
 
 
 
全选
 
 反选 取消 
 
已选商品 0 件
 
合计(不含运费):￥0.00
 
结算结算
 
 
 
 
 
适用浏览器：IE8、360、FireFox、Chrome、Safari、Opera、傲游、搜狗、世界之窗.
 
  

The external jquery public library is introduced here.

Introduced the written JS file Calculation.js into the js folder under the local folder, and then used