Bitso Web Desktop Notifications

Bitso.js

;(function(window) {
	Notification
	.requestPermission()
	.then(function(result) {
		if ('granted' === result) {
			openIframe();
			window.timer = setInterval(
				function() {
					var change = '', 
						operator = '',
						prices = [
							{
								type : document.querySelector('title').textContent.match(/\(\d+.*\)/)[0].match(/BTC|ETH/)[0],
								price : parseFloat(document.querySelector('title').textContent.match(/\(\d+.*\)/)[0].replace(/\(|\)|\/|BTC|ETH/g,''))
							},
							{
								type : parent.frames[0].document.title.match(/\(\d+.*\)/)[0].match(/BTC|ETH/)[0],
								price : parseFloat(parent.frames[0].document.title.match(/\(\d+.*\)/)[0].replace(/\(|\)|\/|BTC|ETH/g,''))
							}
						];

					for(price in prices) {
						
						if (undefined === window[prices[price].type]) {
							window[prices[price].type] = prices[price].price;
						} else {
							if (prices[price].price < window[prices[price].type] ) {
								change = 'plunged';
								operator = '-';
							} else if (prices[price].price > window[prices[price].type] ) {
								change = 'surged';
								operator = '+';
							}
						}

						if (change) {
							var time = new Date().toString().match(/\d+:\d+:\d+/),
								diff = window[prices[price].type] - prices[price].price,
								options = {
									icon: 'https://bitso.com/assets/images/b/logo.png',
									requireInteraction: true
								};

							//Cache Previous price
							window[prices[price].type] = prices[price].price;

							var N = new Notification(
									prices[price].type + ' price has ' + change + ': (' + time + ') ' + window[prices[price].type] + ' ' + operator + diff, options
								).onclick = function(){ 
									window.focus(); 
									this.close(); 
								};

							return N;
						}
					}
				},
				100
			);
		}
	});

	function openIframe() {
		var main = document.getElementById('main'),
			container = main.getElementsByClassName('container')[0],
			iframe = document.createElement('iframe');

		iframe.src = 'https://bitso.com/trade/market/eth/mxn';
		main.insertBefore(iframe, container);
	}
})(window);