Chun Pin Chen chunpin

Mom Test Notes

Chapter 1: The mom test

Bad/Good Questions

Bad: "Do you think it;s a good idea?"
Fix: You might ask them to show you how they currently do their job. Talk about which parts they love and hate. Ask which other tools and
processes they tried before settling on this one. Are they actively searching for a replacement? If so, what’s the sticking point? If not, why not? Where are they losing money with their current tools? Is there a budget for better

	// Ease functions : http://www.gizma.com/easing/


	function smoothScroll(target, duration){
	var target = document.querySelector(target);
	var targetPosition = target.getBoundingClientRect().top;
	var startPosition = window.pageYOffset;
	var distance = targetPosition - startPosition;
	var startTime = null;

	function prettyPrintDate(ms) {
	var units = [
	{ms: 1000, label: 'second'},
	{ms: 1000 * 60, label: 'minute'},
	{ms: 1000 * 60 * 60 , label: 'hour'},
	{ms: 1000 * 60 * 60 * 24, label: 'day'},

	],
	result,
	i,

	function prettyPrintDate(ms) {
	var units = [
	{ms: 1000, label: 'second'},
	{ms: 1000 * 60, label: 'minute'},
	{ms: 1000 * 60 * 60 , label: 'hour'},
	{ms: 1000 * 60 * 60 * 24, label: 'day'},

	],
	result,
	i,

	// http://paulirish.com/2011/requestanimationframe-for-smart-animating/
	// http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating

	// requestAnimationFrame polyfill by Erik Möller. fixes from Paul Irish and Tino Zijdel

	// MIT license

	(function() {
	var lastTime = 0;
	var vendors = ['ms', 'moz', 'webkit', 'o'];

	const combineReducers = (reducers) => {
	return (state = {}, action) => {
	return Object.keys(reducers).reduce(
	(nextState, key) => {
	nextState[key] = reducers[key](
	state[key],
	action
	);
	return nextState;
	},

	/*
	* Open the console
	* to see the state log.

	* pay attension on function "todoApp" on *line 56* ,
	* this function COMBINED the return state of "visibilityFilter" and "todos" functions * line 47 and line 33 *,
	* this pattern is pretty much equivalent to "combineReducers" from Redux.
	* Which means this pattern is pretty much the native code OF "combineReducers"
	*/

	const createStore = (reducer) => {
	let state;
	let listeners = [];

	const getState = () => state;

	const dispatch = (action) => {
	state = reducer(state, action);
	listeners.forEach(listener => listener());
	};

	prototype(Creaton.Product:Utility.Asset.FileSizeCaculator) < prototype(Neos.Fusion:Component) {
	asset = null
	filesize = ${this.asset ? this.asset.resource.filesize : null}
	byteUnits = ${[' B', ' kB', ' MB', ' GB', ' TB']}
	roundUnits = ${[0, 0, 1, 2, 2]}
	factor = 1024
	threshold = 900

	renderer = Neos.Fusion:Value {
	@if.filesize = ${Type.isNumeric(props.filesize)}

	//events - a super-basic Javascript (publish subscribe) pattern

	//There are also a lot of more library with complex features, search for key word "Javascript Event Library"

	var events = {
	events: {},
	on: function (eventName, fn) {
	this.events[eventName] = this.events[eventName] \|\| [];
	this.events[eventName].push(fn);
	},