Javascript 如何映射对象数组并从对象返回特定属性

我有一个具有以下格式的对象数组：

[
    {
        "team_key": "2611",
        "team_name": "Leicester",
        "team_badge": "https://apiv2.apifootball.com/badges/2611_leicester.png",
        "founded": "1884; 136 years ago (as Leicester Fosse FC)",
        "city": "Leicester"
    },
    {
        "team_key": "2612",
        "team_name": "Everton",
        "team_badge": "https://apiv2.apifootball.com/badges/2612_everton.png",
        "founded": "1878; 142 years ago",
        "city": "Liverpool"
    },
]

我想映射数组并返回一个新数组，其中只包含特定参数，如“team_name”和“founded”

新阵列应如下所示：

 [
        {
            "team_name": "Leicester",
            "founded": "1884; 136 years ago (as Leicester Fosse FC)",
        },
        {
            "team_name": "Everton",
            "founded": "1878; 142 years ago",
        }
    ]

映射数组

const数据=[
{
“团队密钥”：“2611”，
“团队名称”：“莱斯特”，
“团队徽章”：https://apiv2.apifootball.com/badges/2611_leicester.png",
“成立”：“1884年；136年前（作为莱斯特·福斯俱乐部）”，
“城市”：“莱斯特”
},
{
“团队密钥”：“2612”，
“球队名称”：“埃弗顿”，
“团队徽章”：https://apiv2.apifootball.com/badges/2612_everton.png",
“成立”：“1878年；142年前”，
“城市”：“利物浦”
},
]
console.log(
//将对象参数分解为所需的键
//并从中返回一个新对象。
map（{team_key，founded}）=>（{team_key，founded}））
)

根据您的任务，我们假设初始数组是x

x = [
{
    "team_key": "2611",
    "team_name": "Leicester",
    "team_badge": "https://apiv2.apifootball.com/badges/2611_leicester.png",
    "founded": "1884; 136 years ago (as Leicester Fosse FC)",
    "city": "Leicester"
},
{
    "team_key": "2612",
    "team_name": "Everton",
    "team_badge": "https://apiv2.apifootball.com/badges/2612_everton.png",
    "founded": "1878; 142 years ago",
    "city": "Liverpool"
},

]

现在要从该数组对象中删除一些项

y = x.map ( v => {
    return {
        team_name: v.team_name,
        founded: v.founded
    }
})

更简短的回答：

y =  x.map(({ team_key, founded }) => ({ team_key, founded }))

现在y是您的新阵列

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