JSFiddle - React, Tailwind, and code Playground

by Mubasshir Pawle

JavaScript

var arr = [];
for (let i = 0; i < 1000; i++) {
  arr[i] = i + 1;
}
while (arr.length > 1) {
  var len = arr.length;
  for (let i = 0; i <= arr.length; i++) {
    arr.splice(i + 1, 1);
  }
  if (len % 2 != 0) {
    arr.splice(0, 1)
  }
}
console.log(arr[0]);