JSFiddle - React, Tailwind, and code Playground

JavaScript

var json = [
  [
    {
      "count": "80",
            "countTxt":"Buyer logins",
            "participantsTxt":"Total for all participating member companies:",
            "participantCount":"523"
    },
    {
      "count": "233",
            "countTxt":"Searches",
            "participantsTxt":"Total for all participating member companies:",
            "participantCount":"628"
    },
    {
      "count": "533",
            "countTxt":"Views of our member pages",
            "participantsTxt":"Total for all participating member companies:",
            "participantCount":"2,365"
    }
  ],
  [
    {
      "count": "80",
            "countTxt":"Total vists",
            "participantsTxt":"Total for all participating member companies:",
            "participantCount":"412"
    },
    {
      "count": "53",
            "countTxt":"Unique visitors",
            "participantsTxt":"Total for all participating member companies:",
            "participantCount":"731"
    },
    {
      "count": "1:12 min",
            "countTxt":"Total time spent on page",
            "participantsTxt":"Total for all participating member companies:",
            "participantCount":"784.2 mins"
    }
  ]
];

alert(json[0][0]["count"]);
delete json[0][0]["count"]
alert(json[0][0]["count"]);