jQuery商品数量数字加减代码基于jquery.1.11.1.min.js制作，类似于淘宝宝贝数量选择，有动态效果，能够十位数以上及小数的加减，加强版淘宝数量选择框。-JQuery number of goods to add and subtract the number of code based on jquery.1.11.1.min.js production, similar to the number of Taobao baby option, there is a dynamic effect, can be more than ten digits and decimal addition and subtraction, enhanced version of Taobao number selection box.