gistfile1.txt

function where(arr, num) {
  // Find my place in this sorted array.
  for (var i = 0;i<arr.length;i++){
    if (arr[i]<num && arr[i+1]>num){
      var n = i+1
      return n
    }else if(arr[i]==num){
      return i
    }
     
  }

  
}

where([40, 60], 50);