js 遍历数组对象求和
这个通常是求多个商品的总价遇到的情形:
[ 0: {id: 1, name: "服务费", price: "1.00"} 1: {id: 2, name: "邮寄费", price: "1.00"} ]
求和总价:
let totalPrice = 0
data.reduce((totalPrice, item) => totalPrice + item.price, 0)
这个通常是求多个商品的总价遇到的情形:
[ 0: {id: 1, name: "服务费", price: "1.00"} 1: {id: 2, name: "邮寄费", price: "1.00"} ]
求和总价:
let totalPrice = 0
data.reduce((totalPrice, item) => totalPrice + item.price, 0)