some fizz buzz solutions in powershell

fizzbuzz.ps1

function fizzbuzz(){
 for ($i=1; $i -lt 101; $i++){
  $db=0;
    if ($i%3 -eq 0){$db = $db -bor 1} 
    if ($i%5 -eq 0){$db = $db -bor 2} 
  
    switch($db)
    {
      1 { Write-Output "Fizz"} #01
      2 { Write-Output "Buzz"} #10
      3 { Write-Output "FizzBuzz"} #11
      default {Write-Output $i} #00
    }
  }
 }

function fizzbuzz2(){
      $a = 1..101 | % {""}
      for ($i=3; $i -le 100; $i +=3){$a[$i]="Fizz"}
      for ($i=5; $i -le 100; $i +=5){$a[$i]+="Buzz"}
      for ($i=1; $i -le 100; $i++){if ($a[$i] -eq ""){$a[$i]=$i}}
      return $a
}

function fizzbuzz3(){
      $a = 1..101 | % {""}
      $b = 1..101 | % {""}      
      $d = 1..101 | % {""}

      for ($i=3; $i -le 100; $i +=3){$a[$i]="Fizz"}
      for ($i=5; $i -le 100; $i +=5){$b[$i]="Buzz"}
      for ($i=1; $i -le 100; $i++){
        $d[$i] = $a[$i] + $b[$i]
        if ($d[$i] -eq ""){$d[$i]=$i}
      }
      return $d
}