task-10-callbackhell/script.js at main · Meenajayaraj/task-10-callbackhell · GitHub

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document.addEventListener("DOMContentLoaded", function () {
  document.getElementById("countdown").innerHTML = "10";
  setTimeout(function () {
    document.getElementById("countdown").innerHTML = "9";
    setTimeout(function () {
      document.getElementById("countdown").innerHTML = "8";
      setTimeout(function () {
        document.getElementById("countdown").innerHTML = "7";
        setTimeout(function () {
          document.getElementById("countdown").innerHTML = "6";
          setTimeout(function () {
            document.getElementById("countdown").innerHTML = "5";
            setTimeout(function () {
              document.getElementById("countdown").innerHTML = "4";
              setTimeout(function () {
                document.getElementById("countdown").innerHTML = "3";
                setTimeout(function () {
                  document.getElementById("countdown").innerHTML = "2";
                  setTimeout(function () {
                    document.getElementById("countdown").innerHTML = "1";
                    setTimeout(function () {
                      document.getElementById("countdown").innerHTML =
                        "HAPPY INDEPENDENCE DAY!";
                    }, 1000);
                  }, 1000);
                }, 1000);
              }, 1000);
            }, 1000);
          }, 1000);
        }, 1000);
      }, 1000);
    }, 1000);
  }, 1000);
});