Ryan Murphy rdmurphy

Service Worker - offline support for the web

Progressive apps - high-res icon, splash screen, no URL bar, etc.

Progressive Web Apps: Escaping Tabs Without Losing Our Soul

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics

elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent

	/**
	* Using Operator Mono in Atom
	*
	* 1. Open up Atom Preferences.
	* 2. Click the “Open Config Folder” button.
	* 3. In the new window’s tree view on the left you should see a file called “styles.less”. Open that up.
	* 4. Copy and paste the CSS below into that file. As long as you have Operator Mono SSm installed you should be golden!
	* 5. Tweak away.
	*
	* Theme from the screenshot (http://cdn.typography.com/assets/images/blog/operator_ide2.png):

	function setLatLng(dataset) {
	var lat = dataset.lat
	var lng = dataset.lng
	return new L.LatLng(lat, lng)
	}

	function latLngRadians(dataset) {
	return _.map(dataset, function(item) {
	var latRad = item.lat*(Math.PI/180)
	var lngRad = item.lng*(Math.PI/180)

	var myPrototypeModule = (function() {
	'use strict';
	var privateVar = 'Alex Castrounis',
	count = 0;

	function PrototypeModule(name) {
	this.name = name;
	}

	function privateFunction() {

	var parseCSV = require("./parse-csv.js");

	// Call the function, pass a callback as the second arg
	parseCSV("data.csv",function(err,rows){

	// Did something go wrong?
	if (err) {
	throw new Error(err);
	}

	// constructor
	function Person(name) {
	this.name = name;

	// etc... but no methods here
	}


	// prototype for all methods, using an IIFE with a returned object for 'public' methods
	Person.prototype = (function() {

	{
	"name": "my-app",
	"version": "1.0.0",
	"description": "My test app",
	"main": "src/js/index.js",
	"scripts": {
	"jshint:dist": "jshint src/js/*.js",
	"jshint": "npm run jshint:dist",
	"jscs": "jscs src/*.js",
	"browserify": "browserify -s Validating -o ./dist/js/build.js ./lib/index.js",

	<html>
	<head>
	<title>Super Simple Sandbox</title>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
	</head>
	<body>
	<script src="nyt.js"></script>
	</body>
	</html>