text: // Return the lowest index at which a value (second argument) should be inserted into a sorted array (first argument).
  function getIndexToIns(arr, num) {
    arr.sort(function(a, b) {
      return a - b;
    });
    for (var i = 0; i < arr.length; i++) {
      if (arr[i] >= num) return i;
    }
    return arr.length; 
  }
  
  getIndexToIns([40, 60], 50);