function Color(clr) {
this.clr = clr
}
Color.prototype.draw = function() {
console.log('draw',this.clr)
}
function Shape(shp) {
this.shp = shp
}
Shape.prototype.change = function() {
console.log('shape')
}
function Unit() {
this.color = new Color('red')
this.shape = new Shape('shape')
}
Unit.prototype.init = function() {
this.color.draw()
this.shape.change()
}
var smallUnit = new Unit('blue','wawaawlala')
