JavaScript Chaining How To

javascript_chaining.js

var ChainIt = Class.create();
ChainIt.prototype = {
    initialize: function() {
		//Persistence varables go here.... maybe an object
    this.answer = '';
    },

	addAnswer: function(add_it){
		//add_it = string
		this.answer = add_it;
		return this; //Each function needs to return "this" for the next item in the chain
	},
	getAnswer: function(){
		return this.answer;//In theory the final item in the chain
	},
	doubleAnswer: function(){
		this.answer = this.answer + " " + this.answer;
		return this;
	},
	printAnswer: function(){
		gs.info("CCCC " + this.answer);
		return this;
	},
    type: 'ChainIt'
};

/*
Examples
var chain = new ChainIt().addAnswer("Foo Bar").doubleAnswer().printAnswer().getAnswer();
var chain = new ChainIt();
var out = chain.addAnswer("foo bar").doubleAnswer().printAnswer().getAnswer();
gs.info(out);

Source:
https://blog.segunolalive.com/posts/understanding-method-chaining-in-javascript/
*/