Selection Sort with Javascript

Selection_sort.js

/*
Best Case:n^2
Average Case:n^2
Worst Case:n^2

*/
(function(){
  let comparison=0;
  let arr2=[28, 31, 43, 97, 49, 11, 33, 71, 41, 80, 86, 38, 53, 54, 7, 67, 96, 52, 29, 25, 56, 77, 73, 42, 62, 84, 21, 68, 2, 44, 9, 94, 66, 78, 6, 57, 20, 89, 1, 55, 65, 85, 51, 23, 70, 32, 12, 27, 18, 90, 4, 82, 5, 35, 58, 69, 22, 83, 37, 61, 79, 34, 81, 30, 72, 95, 91, 48, 88, 46, 3, 26, 60, 39, 17, 24, 74, 99, 10, 16, 87, 98, 76, 13, 36, 45, 59, 100, 50, 93, 19, 75, 92, 40, 8, 47, 14, 15, 63, 64];
  let arr=[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100];
  function Selection_Sort(array){
       var start = Date.now();
  for (let i = 0;i<array.length-1;i++){
      let min=i
      for (let j = i+1;j<array.length;j++){
          comparison++
          if (array[j] < array[min])
            min = j;
      }
      if(min!=i){
          let temp = array[min];
         array[min] = array[i];
         array[i] = temp;
      }
  }
   var end = Date.now();
   var elapsed = end - start; 
   console.log("Elapsed Time:"+elapsed);
    console.log("Total comparison:"+comparison);
    comparison=0;
    return array;
  }
  Selection_Sort(arr2);//Total comparison:4950
  console.log(Selection_Sort(arr));
  
})();