Question

我正在尝试遍历此对象，但是没有javascript对象循环有效。这是来自后端的对象的外观！

let myObj = [{
  0: {
    key: "account",
    url: "http://newplugin.local/account/",
    editKey: false
  },
  1: {
    key: "cart",
    url: "http://newplugin.local/cart/",
    editKey: false
  },
  2: {
    key: "catalog",
    url: "http://newplugin.local/catalog/",
    editKey: false
  },
  3: {
    key: "checkout",
    url: "http://newplugin.local/checkout/",
    editKey: false
  },
  4: {
    key: "favorites",
    url: "http://newplugin.local/favorites/",
    editKey: false
  },
  5: {
    key: "footer",
    url: "http://newplugin.local/footer/",
    editKey: false
  },
  6: {
    key: "group-account",
    url: "http://newplugin.local/forgot-password/",
    editKey: false
  }
}]

Answer 1

尝试这样：

MyObj是具有单个对象的数组，您可以通过myObj [0]访问该对象，然后遍历该对象，

let myObj = [{
              0:{
                    key: "account",
                    url: "http://newplugin.local/account/",
                    editKey: false
                    },
    1 : {
                    key: "cart",
                    url: "http://newplugin.local/cart/",
                    editKey: false
    },
    2 : {
                    key: "catalog",
                    url: "http://newplugin.local/catalog/",
                    editKey: false
    },
    3 : {
                    key: "checkout",
                    url: "http://newplugin.local/checkout/",
                    editKey: false
    },
    4 : {
                    key: "favorites",
                    url: "http://newplugin.local/favorites/",
                    editKey: false
    },
    5 : {
                    key: "footer",
                    url: "http://newplugin.local/footer/",
                    editKey: false
    },
    6 : {
                    key: "group-account",
                    url: "http://newplugin.local/forgot-password/",
                    editKey: false
        }
    }]
    for(let key in myObj[0]){
      console.log(`key=${key}  url value:${myObj[0][key].url}`);
    }

Answer 2

myObj是具有一个对象的数组，并且该对象具有数字键。您可以使用Object.values()将该对象的值获取到数组，然后遍历它：

let myObj=[{0:{key:"account",url:"http://newplugin.local/account/",editKey:!1},1:{key:"cart",url:"http://newplugin.local/cart/",editKey:!1},2:{key:"catalog",url:"http://newplugin.local/catalog/",editKey:!1},3:{key:"checkout",url:"http://newplugin.local/checkout/",editKey:!1},4:{key:"favorites",url:"http://newplugin.local/favorites/",editKey:!1},5:{key:"footer",url:"http://newplugin.local/footer/",editKey:!1},6:{key:"group-account",url:"http://newplugin.local/forgot-password/",editKey:!1}}];

console.log("myObj.length: ", myObj.length)

const newArray = Object.values(myObj[0])

console.log("newArray.length: ", newArray.length)

for(let obj of newArray){
  console.log(obj.key)
}

由于对象具有连续的数字键，因此您也可以使用Object.assign()从对象中获取数组：

let myObj=[{0:{key:"account",url:"http://newplugin.local/account/",editKey:!1},1:{key:"cart",url:"http://newplugin.local/cart/",editKey:!1},2:{key:"catalog",url:"http://newplugin.local/catalog/",editKey:!1},3:{key:"checkout",url:"http://newplugin.local/checkout/",editKey:!1},4:{key:"favorites",url:"http://newplugin.local/favorites/",editKey:!1},5:{key:"footer",url:"http://newplugin.local/footer/",editKey:!1},6:{key:"group-account",url:"http://newplugin.local/forgot-password/",editKey:!1}}];

const newArray = Object.assign([], myObj[0])
console.log(newArray)

在Javascript中迭代和比较对象与对象键

2 个答案: