从JSON文件获取特定键/值对的数组

maryam 发表于 Dev

玛利亚姆

从这里开始-我想从JSON文件为我的世界城市创建数组。我已经获取了数据，现在我想提取2个键/值对（称为名称/国家/地区），并将其推入具有以下语法的新字符串数组中：

const arr = ["name, country", "name, country", "name, country"...]

这是数据示例：

[]:
0: {country: "Andorra", geonameid: 3040051, name: "les Escaldes", subcountry: "Escaldes-Engordany"}
1: {country: "Andorra", geonameid: 3041563, name: "Andorra la Vella", subcountry: "Andorra la Vella"}
2: {country: "United Arab Emirates", geonameid: 290594, name: "Umm al Qaywayn", subcountry: "Umm al Qaywayn"}
3: {country: "United Arab Emirates", geonameid: 291074, name: "Ras al-Khaimah", subcountry: "Raʼs al Khaymah"}...

我知道我必须使用.push()and.forEach()或for循环，但是我不确定该怎么做。谁能告诉我如何？

阿比舍克·库马尔（Abhishek Kumar）

const data = [{country: "Andorra", geonameid: 3040051, name: "les Escaldes", subcountry: "Escaldes-Engordany"},
{country: "Andorra", geonameid: 3041563, name: "Andorra la Vella", subcountry: "Andorra la Vella"},
{country: "United Arab Emirates", geonameid: 290594, name: "Umm al Qaywayn", subcountry: "Umm al Qaywayn"},
{country: "United Arab Emirates", geonameid: 291074, name: "Ras al-Khaimah", subcountry: "Raʼs al Khaymah"}]

const arr = data.map(i => `${i.name} , ${i.country}`);
console.log(arr)

本文收集自互联网，转载请注明来源。

如有侵权，请联系 [email protected] 删除。