javascript - 数组将js中的数组插入php中的变量

Question

我想知道如何使用数组推送来添加 DeliveryArea 的值。所有值都来自 php 变量。我是JS初学者，想学习和入侵js。

var Category = {
    "Status": ["Unpaid", "Paid", "Pending"],
    "OrderDate": ["123", "123", "123"],
    "DeliveryArea": [],
}

Answer 1

使用对象名称和键名称，如下所示 Category.DeliveryArea

var Category = {

  "Status": ["Unpaid", "Paid", "Pending"],
  "OrderDate": ["123", "123", "123"],
  "DeliveryArea": [],
}

let arr = ['arr1', 'arr2', 'arr3'];

arr.forEach(function(item) {
  Category.DeliveryArea.push(item)

})

console.log(Category)

如果您希望通过变量访问 key ，请使用方括号

var Category = {
  "Status": ["Unpaid", "Paid", "Pending"],
  "OrderDate": ["123", "123", "123"],
  "DeliveryArea": [],
}

let keyName = 'DeliveryArea'

let arr = ['arr1', 'arr2', 'arr3'];

arr.forEach(function(item) {
  Category[keyName].push(item)

})

console.log(Category)