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Seattle JavaScript Game Dev Meetup #9

Meetup is quickly approaching! We're looking forward to seeing you all tomorrow. An important thing to note this month: Double Down has MOVED to a NEW LOCATION. Don't worry though - they're conviently located in the building next-door to their old office, but please do take a moment to review the address.


This month we'll be hearing from the DDI Mobile team, who will be discussing "HTML5 optimization".

Here's a peak into what you can expect:

HTML5 is a huge win in terms of development productivity and platform portability. However, attaining good performance on mobile devices is still a constant challenge. Given that we strive to minimize device-specific code, and widespread adoption of our application is a goal, CPU-heavy approaches such as HTML5 Canvas are still not an option.

The talk will include discussion of optimization approaches in 3 major areas that the DDI team has encountered over the past several months:
- bulk sprite animations
- web asset caching
- the "daily wheel" complex scene animation

Sub-topics will touch on details of DOM-based rendering and DOM hierarchy, CSS operations and text performance, downloading, browser caching, and heap memory optimization.   Demos of sections of our product will accompany the talk.


Be sure to bring your curiosity and questions!


Join or login to comment.

  • A former member
    A former member

    Game Closure ( has open source its dev kit. It has great documentation, and you can definitely learn something new from its github repository (

    February 14, 2013

  • amir

    ok, i posted those comments out of frustration, but am glad things turned out ok! wandering around random blocks and obscure alleys for some of these meetups has been frustrating at times, pardon for the negativity! am truly looking forward to the next one

    January 31, 2013

  • Greg B.

    Sadly, the intro to their new digs was interrupted by a blackout. The DDI people soldiered on admirably and snatched victory from the jaws of defeat.

    3 · January 29, 2013

  • A former member
    A former member

    I'm all over optimizations so this will be great. Looking forward to meeting the skilled audience too. Especially if you are a current/former Flash dev, let's have a drink!

    January 28, 2013

    • A former member
      A former member

      I'll be the guy wearing the Nintendo jacket :)

      1 · January 29, 2013

  • A former member
    A former member

    Looking forward to meeting you all tomorrow. Apologies for the slightly OT question, but is there a place to lock up my bicycle nearby?

    January 28, 2013

  • James T.

    Will anyone be recording? I wish I could make it but sadly have scheduling conflict...

    January 28, 2013

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