Brother79Mail

function poll() {
  $.post("https://vash.api.com", {name: "Aladdin", id: "001"}, function(response) {
    if( response.ok === 'OK') { // получен нужный ответ
      window.location.reload(true);
    } else {
      setTimeout(poll, 8000);
    }
  });
}

poll();

function fetchData() {
  $.ajax({
    // ...
    success: function(data) {
      if (data === 'someData') {
         return window.location.reload();
       }

        setTimeout(fetchData, 8e3);
    }
  });
}

fetchData();

const arr = [];
for (let i = 0; i < 10; arr[i] = ++i) ;

const arr = [];
while (arr.push(arr.length + 1) < 10) ;

const arr = Array.from({ length: 10 }, (_, i) => -~i);