HTML5 That’s what you need to know today Ingo Rammer, thinktecture

Ingo Rammer and thinktecture Support and consulting for software architects and developers Architectural Consulting and Prototyping Developer-Coaching and -Mentoring Application Optimization, Troubleshooting, Debugging Architecture and Code Reviews Slides/Samples:

not a collection of HTML5 tips and tricks

vision Today!

Ingo != Microsoft

"We believe that HTML5 and related technologies, in conjunction with faster and faster browsers, finally give developers the tools they need to create experiences that are just as vivid, interactive and high-fidelity as what you have come to expect from native applications without the need for plug-ins.” (Microsoft,

Apple Google RIM

HTML5 + CSS3 + JS Common Application Platform Desktops, Tablets, Mobile

Windows, Mac, Linux Mobile: iOS, Android, Blackberry 5+, Symbian 5, webOS, Windows Phone 7 (Fall 2011)

Write once, run everywhere?

Or rather: write once, debug everywhere?

Old School Web Browser Server ASP.NET HTTP GET Dynamically generated HTML User Browser clicks Server ASP.NET HTTP GET Dynamically generated HTML 1 2

Ajaxified Web Browser Server ASP.NET HTTP GET Dynamically generated HTML User Browser clicks Server WCF HTTP GET Data only 1 2 runs JS Display Data

Offlineable Data Browser Server HTTP GET Static HTML (maybe) User Browser clicks Server WCF HTTP GET Data only 1 2 runs JS Display Data Local Storage

Future: Offlineable Web Apps Browser User Browser clicks 1 2 runs JS Display Data Cached/local HTML Local Storage 3 Server Sync via HTTP POST + GET when online

HTML5: Application Cache (work in progress)

HTML5 + CSS3 + JS Common Application Platform Desktops, Tablets, Mobile

HTML5: When will it be done?

HTML5: When will it be ready?

But...

But... Javascript SUCKS!

You might have missed the best parts!

This book might change everything you think about Javascript.

And while we‘re at it...

Online for free at

But... isn‘t this slow?

Let‘s see code!

HTML5: Web Storage (localStorage, sessionStorage)

Detect features, not browsers!

General Information

Progressive Enhancement

Hashchange Back/Forward/URLs

Toolkits help you...

modernizr HTML5 Feature Detection

jQuery Web Framework, HTML-based

Ext JS Web Framework, Object-model driven, graphical designer (GPLv3 or commercial)

Sencha Touch (Android, iOS, Blackberry 6 coming)

jQuery Mobile (PhoneGap to iOS, Symbian 5, Blackberry 5+, Android 1.5+, webOS )

WebApp.Net Great UX, small community

PhoneGap Open Source Packager + JS for native API (extensible!) (iOS, Android, RIM, Palm, Symbian,... Windows Phone 7 in Fall?)

Organizational Framework Detect features, not browsers Pick your level of abstraction Frameworks help! jQuery, Dojo, Prototype, ExtJS,...

Technological Platform Local storage (localStorage, sessionStorage) Local drawing (canvas) Semantic information (markup, input types) Abstractions (datajs, jQuery, jqplot, jqGrid, jQuery Mobile) CSS3 (incl. animations, transitions,...) Future: Web Workers, Web Sockets

And more... Polyfills and shims for backward compatibility Resource combination (JS + CSS) You don‘t *have* to develop everything in one file, but you should ship only one file Minification, Compression,... You *can* use descriptive method, function and variable names Advanced Javascript techniques! Packagers for mobile OSes (PhoneGap,...)

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THANK YOU

"We believe that HTML5 and related technologies […] high-fidelity as what you have come to expect from native applications without the need for plug-ins.”