- var items = [1,2,3]

ul
  - items.forEach(function(item){
    li= item
  - })

- var items = [1,2,3]

ul
  for item, i in items
    li(class='item-' + i)= item

ul
  each item, i in items
    li= item

ul
  each $item in items
    li= $item

- var nums = [1, 2, 3]
- var letters = ['a', 'b', 'c']

ul
  for l in letters
    for n in nums
      li #{n}: #{l}

- var count = 1
- var counter = function() { return [count++, count++, count++] }
ul
  for n in counter()
    li #{n}