淘宝网购物车功能

demo全选商品单价数量小计操作Casio/卡西欧 EX-TR3505999.88+5999.88删除Canon/佳能 PowerShot SX50 HS3888.50+3888.50删除Sony/索尼 DSC-WX3001428.50+1428.50删除Fujifilm/富士 instax mini 25640.60+640.60删除全选删除结 算合计：￥0.00已选商品0件︽︾取消选择◆◆().(() {
       (gg){
            gg=().((i){
                ((()[i]).()==){

                    gg=}
            })
            gg}
          ().(() {
            lengthvaluelength=value =thth=()((thth).()){
                value1=((thth).().().())+(thth).().().(value1)}
            ((thth).()) {
                (thth).().()}
            ((thth).()) {
                cc=(thth).()().(cc)
            }
(!()){
                ().()}{
                ().()}
            ((thth).()) {
                ().((i){

                    length+=((()[i]).().().().())value+=((()[i]).().().().())})

                ().(length)().(value.())}

        })

    })