HTML5 WebWorker and Local Storage to improve long-running tasks and slow AJAX
English: Diagram of the HTML5 block elements: body, header, navigation, section, article, paragraph, aside, and footer. (Photo credit: Wikipedia)
So there’s tons of hype around HTML5 which kicked off in a big way in 2010, and is still riding strong. Sure enough, everyone is raving about the shiny new multimedia features with HTML5 video & HTML5 audio, as well as the UI/UX features and capabilities such as Drag & Drop file uploads, interactive graphics via SVG & HTML5 Canvas, or the visual effects made possible by CSS3 such as animations and transitions. Mobile web usability enjoys a well-deserved close following with discussions on supporting Swipes, Pinches, Gestures, etc on top of the basic Keyboard & Mouse actions. Even data-centric stuff typically the realm of geeks only such as Semantic Layout block elements (as depicted on the right) or Microdata’s new “data-” attribute that allows extending any element as needed with additional metadata, making possible the initial promise of Microformats.
Yeah, all that stuff is pretty cool, I’ll admit. I’ve covered them in the past and will continue to do so. But what about some of the less exciting, more basic performance-related improvements such as WebWorker and localStorage? I think those deserve just as much time in the spotlight because they offer some serious benefits to developers and users alike, so I’ll talk a bit about them here.
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BC$ = Behavior, Content, Money
The goal of the BC$ project is to raise awareness and make changes with respect to the three pillars of information freedom - Behavior (pursuit of interests and passions), Content (sharing/exchanging ideas in various formats), Money (fairness and accessibility) - bringing to light the fact that:
1. We regularly hand over our browser histories, search histories and daily online activities to companies that want our money, or, to benefit from our use of their services with lucrative ad deals or sales of personal information.
2. We create and/or consume interesting content on their services, but we aren't adequately rewarded for our creative efforts or loyalty.
3. We pay money to be connected online (and possibly also over mobile), yet we lose both time and money by allowing companies to market to us with unsolicited advertisements, irrelevant product offers and unfairly structured service pricing plans.