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使用节点创建基于电子商务/金融的应用程序我无法弄清楚如何在静态变量中具有基数var budget = 300;,然后将费用存储在数组中的对象中

var expenses = [
   {name: "thingy1", price: "40"},
   {name: "thingy2", price: "30"},
   {name: "thingy3", price: "100"}
];

并从budget变量中扣除价格,然后显示在模板中

ps 我使用 express 和 swig

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1 回答 1

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您的问题有点令人困惑,所以我希望这是您想要的答案,您可能需要考虑重新措辞。

var budget = 300;
var expenses = [
   {name: "thingy1", price: "40"},
   {name: "thingy2", price: "30"},
   {name: "thingy3", price: "100"}
];
expenses.forEach(function (el) {budget -= el.price;});//Removes the price of each expense from the budget
于 2014-08-31T14:04:35.207 回答