SOURCE

		var salesOffices = {};

		salesOffices.clientList = [];

		salesOffices.listen = function(fn){
			this.clientList.push(fn)
		}

		salesOffices.trigger = function(){
			console.log(this.clientList[0])
			for(var i = 0,fn;fn = this.clientList[i++];){
				fn.apply(this,arguments)
			}
		}

		salesOffices.listen(function(price,squareMeter){
			console.log("---1---")
			console.log(price)
			console.log(squareMeter)
		})

		salesOffices.listen(function(price,squareMeter){
			console.log("---2---")
			console.log(price)
			console.log(squareMeter)
		})

		salesOffices.trigger(2000000,88);
		salesOffices.trigger(3000000,131)