Nightmare2002

let arr = []

for (let i = 1; i < 101; i++) {
  arr.push(i)
}


function fooBar(arr) {
  let foo = []
  let bar = []
  let foobar = []

  for (let a = 1 ; a < 101; a++) {
    if (a % 3 == 0) {
      foo.push(a)
    }
  }

  for (let a = 1 ; a < 101; a++) {
    if (a % 5 == 0) {
      bar.push(a)
    }
  }

  for (let a = 1 ; a < 101; a++) {
    if (a % 3 == 0 || a % 5 == 0) {
      foobar.push(a)
    }
  }

  alert(`Foo(value /3) = ${foo}`)
  alert(`Bar(value /5) = ${bar}`)
  alert(`FooBar(value /3 and /5) = ${foobar}`)
}

fooBar(arr)