JSD4 - Homework 2

jsd4-madlibs.js

var startupX = ['Uber', 'Google', 'Amazon', 'Apple', 'Facebook', 'Twitter'];
var startupY = ['Slack', 'Trello', 'Tesla', 'Hyperloop', 'Harvest'];
var startupIdea;
var favorites = [];
var startup  = document.querySelector('.startup');
var generate = document.querySelector('.generate');
var save     = document.querySelector('.save');
var print    = document.querySelector('.print');
var list     = document.querySelector('.list');

generate.addEventListener('click', generateStartup);
save.addEventListener('click', saveFavorite);
print.addEventListener('click', printFavorites);

generateStartup();

function generateStartup() {
	var random1 = Math.floor(Math.random() * startupX.length);
	var random2 = Math.floor(Math.random() * startupY.length);
	startupIdea = "A startup that is " + startupX[random1] + ", but for " + startupY[random2];
	startup.innerHTML = startupIdea;
}

function saveFavorite() {
	favorites.push(startupIdea);
}

function printFavorites() {
	list.innerHTML = '';
	var favoritesText = "";
	for (var i = 0; i < favorites.length; i++) {	
		favoritesText = favoritesText + favorites[i] + "<br/>";
	}	
	list.innerHTML = favoritesText;
}