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Documentation

Every method and property of every tool has been documented in rich detail. And the docs completely searchable.

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Popular GSAP Docs


Forums

Get answers from experts in the community, or grow your skills by poking around and reading the discussions. Share your knowledge here too. It's a great place to get connected and find answers.

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Popular Forums


FAQS

Can I use the JavaScript version of GSAP for canvas objects or 3rd party tools like EaselJS?

You can animate ANY numeric property of ANY JavaScript object – it’s not just for DOM elements. So yes, you can animate canvas objects, EaselJS assets, and pretty much anything JavaScript-related. In fact, GSAP even has an EaselPlugin to make it easier to animate EaselJS properties. If you need to run logic after each refresh (like to redraw things on the canvas), either use an onUpdate on the individual tween/timeline or add a “tick” event listener to the core Ticker that drives the platform.

Where can I get the CDN URLs for the current version of each tool?

Check out the GSAP Overview on the docs homepage. It makes it super easy to see which tools are hosted on the CDN and copy the URLs to your clipboard. You can also get a full list at CDNJS.com.

Where can I report a bug, feature request, or rave about my tweening adventures with GSAP?

In our support forums.

Can I distribute GreenSock files as a part of my Work Product?

Yes, as long as the source files are unaltered (including copyright notices therein). Your customer may use GreenSock tools (including bonus plugins/classes you got with your membership) only as a part of your Work Product. However, if your customer wants to use the GreenSock tools outside of your Work Product (or make customizations to your Work Product) to resell to their customers, they would need to get their own "Business Green" Club GreenSock membership to cover their usage. If your Work Product is given away freely and you're not distributing members-only plugins, you're golden...er, green...er, fine.

Why aren't the bonus plugins hosted on a CDN?

Putting them on a CDN would remove one of the primary reasons for joining Club GreenSock, the very thing that enables ongoing support and development. Not a very good business move.

Which browsers work with the JavaScript version of GSAP?

GSAP itself is pure JavaScript and should work in virtually ALL browsers. GSAP wasn’t intended to solve all browser incompatibilities, but it does implement wizardry for critical features like opacity, transforms (rotation, scaleX, scaleY, skewX, skewY, x, and y), and transformOrigin so those should work in all major browsers even back to IE6. Firefox doesn’t support backgroundPositionX or backgroundPositionY, so those specific properties won’t work but backgroundPosition will for virtually all browsers. There is NOT a predetermined list of css properties that you can tween – the platform will attempt to tween ANY property you pass in. If it is numeric, it will tween it. If it isn’t numeric and it isn’t a recognized special property, CSSPlugin will just set the property to the value you provide (without tweening it). So, for example, if you try to tween to display:"inline", that isn’t a tweenable property but it will still be set accordingly during the tween, so feel free to use that to your advantage.

Will the bonus plugins suddenly stop working when my membership expires?

Nope. We don't inject any "phone home" code that tracks usage or causes the plugins to suddenly stop working on a certain date. Hopefully our tools prove so valuable and profitable to you that you'll gladly renew every year to keep getting access to the goodies.

Do I have to purchase a license to use Draggable? Can I use it in commercial projects?

IntertiaPlugin is a membership benefit of Club GreenSock, so you need to sign up to get that. Draggable, however, is included in all the standard downloads and you don't need a membership to get that; Draggable can be used apart from InertiaPlugin as long as you don't need the momentum-based motion. GreenSock's standard license allows you to use GreenSock tools for free in everything except a very specific type of commercial project (if you collect a fee from multiple customers for the app/product/game/site that uses GreenSock tools) which makes it extremely accessible and business-friendly while providing a small funding mechanism to sustain ongoing support, enhancement, and innovation. The web is littered with abandoned “open source” projects, but GreenSock has a years-long track record of commitment to the platform. This unique licensing model is a key component of its sustainability. If you charge multiple customers a usage/access/license fee, please simply sign up for a “Business Green” Club GreenSock membership which comes with a special commercial license granting you permission to do so. Click here for details. Joining the club also gets you members-only bonus plugins, utilities, update notifications, and more.

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