DC3

operations =
  '*': (a, b) -> a*b
  '+': (a, b) -> a+b

evaluate = (arr) ->

  calc = (operation, refArr) ->
    hasOperation = (index = arr.indexOf(operation)) isnt -1
    return refArr unless hasOperation
    pos = index - 1

DC3

# http://www.1758.com/hlmy/yanse2.htm

$ ->
  timeEl = $('.time')
  boxEl = $('#box')
  interval = null
  eachTime = 1  # ms
  replaceRE = /[^\d]+/g

  getColor = (str) ->

DC3

'wkjkjd fsk fsdjk\nbbb sss fasdf'.replace(/(bbb|sss)(\s)?/g, function(match, p1, p2){
    var min = 1, max = p1.length - 1,
        pos = Math.floor(Math.random() * (max - min + 1)) + min; //randint
    return p1.substr(0, pos) + 'a' + p1.substr(pos, p1.length - 1) + p2;
});