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Canvas & SVG Tutorials

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    How to Control CSS Animations with JavaScript

    When it comes to animations on the web, developers need to measure the animation's requirements with the right technology -- CSS or JavaScript. Many animations are manageable with CSS but JavaScript will always provide more control. With document.getAnimations, however, you can use JavaScript to manage...

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    5 Crucial Concepts for Learning d3.js and How to Understand Them

    You may have already heard about d3.js, the dazzling JavaScript library that lets you create beautiful charts and graphics with just a few lines of code. You might have seen some of the fantastic examples of D3 in action, or you may have heard that...

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    Building Animated SVG Banners

    I've been reading David Walsh's blog for years. The tips and tutorials he shares have helped me fix a lot of problems. I love that I get to support him now by advertising TrackJS on his site. Plus, I get a chance to build...

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    Canvas Filters

    Adding filters to images can make them more eye-catching and shareable -- just ask Instagram, Snapchat, Prism, and every other app out there.  A few years back we got the awesome CSS filters feature, allowing us to use a fixed set of filter methods to make our photos...

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    Create a 3D Panorama Image with A-Frame

    In the five years I've been at Mozilla I've seen some awesome projects.  Some of them very popular, some of them very niche, but none of them has inspired me the way the MozVR team's work with WebVR and A-Frame project have. A-Frame is a community project...

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    Mozilla, Web Virtual Reality, and A-Frame

    I was fortunate enough to make Game Developer Conference this year and the big story was virtual reality.  Hell, you couldn't go five feet without seeing someone pitching their VR hardware, software, or likewise technology.  They were all proprietary solutions, including Oculus, Epic Games, and so on.  You...

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    Gamepad API and Xbox Controller on Mac

    The Mozilla MozVR team was demonstrating the open WebVR standard as well as A-Frame at GDC a few weeks ago and people were intrigued; some were surprised the web could handle VR, some probably just thought our VR line was smaller (it was by miles), and others saw...

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    How to Build Charts in Angular

    It is very easy to get lost in the flood of JavaScript frameworks and libraries that we, as front-end developers, have to choose from these days. Every week some new framework springs up and takes you back to the comparison board, making your task of selecting...

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    JS Charting: Google Sheets

    In this article, we will chart data from a publicly accessible google spreadsheet feed (via JSON) and create a dashboard using the JS Charting library. By consuming the spreadsheet in this way, updated results will show live as soon as any shared edits are made...

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    JS Charting: Mapping

    JS Charting comes integrated with geographic mapping support, including optimized data files for all country, province and state maps without the need of a separate product or add-on. What's more interesting is that the API for mapping is the same as that used for regular...