输入 =
[{id: 13, display_name: "Customizable Desk (Aluminium, Black)", quantity: 4, unit_price: "800.40", discount: 0, price: "3201.60"},
{id: 40, display_name: "Magnetic Board", quantity: 2, unit_price: "1.98", discount: 0, price: "3.96"},
{id: 40, display_name: "Magnetic Board", quantity: 1, unit_price: "1.98", discount: 0, price: "1.98"},
{id: 40, display_name: "Magnetic Board", quantity: 1, unit_price: "1.98", discount: 0, price: "1.98"}]
输出 =
[{id: 13, display_name: "Customizable Desk (Aluminium, Black)", quantity: 4, unit_price: "800.40", discount: 0, price: "3201.60"},
{id: 40, display_name: "Magnetic Board", quantity: 4, unit_price: "1.98", discount: 0, price: "7.92"}]
我能够得到一个答案,但我的过程非常漫长,我需要使用一些 javascript 的预定义函数来简短回答它。
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