Will JavaScript and HTML5 Save the Universe?

One of the pillars of HTML5's popularity is the promise of cross platform compatibility. It's an old promise that's been made before. In a world where mobile devices are ubiquitous, how is the promise of the universal platform really shaping up?

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1. are you in the right spot?
2. WILL HTML5 & JAVASCRIPT SAVE THE UNIVERSE?
4. microsoft.com/practices patterns & practices proven practices for predictable results
5. aka.ms/mobile-web
6. JS
7. 0% 2% 4% 6% 8% 10% 12% 14% 16% 18% 20% 2009 2010 2011 2012 2013 StatCounter WikiMedia http://en.wikipedia.org/wiki/Usage_share_of_web_browsers percentage of traffic using mobile
10. WILL HTML5 & JAVASCRIPT SAVE THE UNIVERSE?
11. Is HTML5 & JavaScript • The technology stack to bet on? • The best path for Cross Platform development? mu
12. starter questions • What am I trying to accomplish? • What is the value my product will bring? • Is HTML5 & JavaScript a reasonable platform given the answers to these questions?
14. “the app is running out of memory” “the animations — the spinners and the way they work — getting that smoothness” “tooling support — having a debugger that actually works, performance tools that tell you where the memory is running out” “operability, runtime diagnostics information” Kiran Prasad of LinkedIn said
15. “lack of tooling in mobile browsers” “the biggest issues [are] memory related” “inconsistent framerates, UI thread lag” “AppCache is soooooo busted” Tobie Langel of facebook said
16. What HTML5 needs to compete with native 35% 34% 30% 22% Access to Native APIs Better Development Environment Optimized HTML5 devices Better debugging support
17. “… people are falling back to native. It’s not that HTML5 isn’t ready; it’s that the ecosystem doesn’t support it. … There are tools, but they’re at the beginning. People are just figuring out the basics.” Kiran Prasad, LinkedIn April 2013
18. “…it's not that HTML5 is bad. I'm actually, on long-term, really excited about it. One of the things that's interesting is we actually have more people on a daily basis using mobile Web Facebook than we have using our iOS or Android apps combined. So mobile Web is a big thing for us.” Mark Zuckerberg, facebook September 2012
19. building apps with HTML5 is hard
20. or at least it is hard today
22. a better question What’s the most cost effective way to deliver the best experience to users on a diverse set of platforms?
23. factors
24. skills
25. futurefriend.ly
26. more factors • branding & feel • device capabilities & integration • usage scenarios (e.g. long running apps) • supporting your ideology
27. Vendors Developers Consumers
30. be deliberate avoid vendor specific APIs feature, not platform detection
33. "there is no single development, in either technology or management technique, which by itself promises even one order of magnitude [tenfold] improvement within a decade in productivity, in reliability, in simplicity.” Fred Brooks author of The Mythical Man Month 1986
34. bennage
35. bennage @
36. bennage dev. .com
37. christopher bennge @bennage dev.bennage.com aka.ms/mobile-web