gistfile1.js

# standard constructor
Test1: constructor =>
  this.test = "test"
Test1.prototype.testFunction: =>
  print("It works!")
  return null

t = new Test1()
t.testFunction()

# this constructor explicitly returns an array
Test2: constructor =>
  this.test = [1, 2, 3]
  return this.test
Test2.prototype.testFunction: =>
  print("It works!")

t = new Test2()
print(t.length)

# this constructor implicitly returns this
Test3: constructor =>
  this.test = [1, 2, 3]
Test3.prototype.testFunction: =>
  print("It works!")

t = new Test3()
t.testFunction()