XMas written with CoffeeScript flavor

index.html

<script src="http://code.jquery.com/jquery-1.8.3.min.js"></script>
<pre>
</pre>

script.coffee

arr = (size, sym = '+') -> 
  (new Array(size))
alert(arr(3).join('+'))
    
space = (s, t = 0) -> 
  (arr s).concat(arr t, '*').sort(-> 0.5 - Math.random()).join('')
  
a = for l in [0..7]
  "#{space(9-l)}/#{space(l*2, l > 1 ? 3 : 0 + l)}\\\n"
$('pre').append a