JSFiddle - React, Tailwind, and code Playground

JavaScript

const data = [
  {
    "countryCode": "country",
    "latitude": "latitude",
    "longitude": "longitude",
    "countryName": "name"
  },
  {
    "countryCode": "AD",
    "latitude": "42.546245",
    "longitude": "1.601554",
    "countryName": "Andorra"
  },
  {
    "countryCode": "AE",
    "latitude": "23.424076",
    "longitude": "53.847818",
    "countryName": "United Arab Emirates"
  },
  {
    "countryCode": "AF",
    "latitude": "33.93911",
    "longitude": "67.709953",
    "countryName": "Afghanistan"
  },
  {
    "countryCode": "AG",
    "latitude": "17.060816",
    "longitude": "-61.796428",
    "countryName": "Antigua and Barbuda"
  },
  {
    "countryCode": "AI",
    "latitude": "18.220554",
    "longitude": "-63.068615",
    "countryName": "Anguilla"
  },
  {
    "countryCode": "AL",
    "latitude": "41.153332",
    "longitude": "20.168331",
    "countryName": "Albania"
  },
  {
    "countryCode": "AM",
    "latitude": "40.069099",
    "longitude": "45.038189",
    "countryName": "Armenia"
  },
  {
    "countryCode": "AN",
    "latitude": "12.226079",
    "longitude": "-69.060087",
    "countryName": "Netherlands Antilles"
  },
  {
    "countryCode": "AO",
    "latitude": "-11.202692",
    "longitude": "17.873887",
    "countryName": "Angola"
  },
  {
    "countryCode": "AQ",
    "latitude": "-75.250973",
    "longitude": "-0.071389",
    "countryName": "Antarctica"
  },
  {
    "countryCode": "AR",
    "latitude": "-38.416097",
    "longitude": "-63.616672",
    "countryName": "Argentina"
  },
  {
    "countryCode": "AS",
    "latitude": "-14.270972",
    "longitude": "-170.132217",
    "countryName": "American Samoa"
  },
  {
    "countryCode": "AT",
    "latitude": "47.516231",
    "longitude": "14.550072",
    "countryName": "Austria"
  },
  {
    "countryCode": "AU",
    "latitude": "-25.274398",
    "longitude": "133.775136",
    "countryName": "Australia"
  },
  {
    "countryCode": "AW",
    "latitude": "12.52111",
    "longitude":...