An instance source for automatically settling payment amounts in a shopping cart implemented in jquery

jquery realizes the shopping cart form automatic settlement, the user buys the quantity which the purchase goods enters, can calculate the total merchandise, the amount + freight, like Taobao shopping cart settlement function, the computation process is timely, uses the jquery to realize the Ajax not to refresh the webpage to compute the function, Do shopping site may use this example.

The screenshot of the running effect is as follows:

All source code is as follows:

<! doctype html public  "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/
Tr/xhtml1/dtd/xhtml1-transitional.dtd "> 
 
 This example is widely used in general e-commerce sites, we can use this example to develop a better shopping cart.