It also works in Firefox, Opera, and WebKit. The only modern browsers left out appears to be Safari 7 (no WebGL) and IE (Web Audio).

Give it a year and both of those are likely to work.

Indeed. If the authors stop by, consider changing the message to something more like

"Your browser does no appear to support a couple things required to play this presentation(WebGL, Web Audio etc). The latest versions of several browsers do. You might want to try one of those instead."

thanks, yes, working on a fix right now. we also want to make it clear that those things are not necessarily required for p5.js itself, just the demo.

but they're obviously required to do things in the demo no?

Safari 7 has WebGL but is disabled by default. Enable developer menus, then click on "Enable WebGL".

> The only modern browsers left out appears to be Safari 7 (no WebGL)

Safari has WebGL since 5-ish but disabled by default.

To enable, Safari > Preferences > Advanced > Show Develop menu, then Develop > Enable WebGL

The presentation seems to work allright, although it suffers from some slowdowns.

I'm aware of that but it effectively doesn't exist for the public if it's gated behind a developer option. This goes double for Safari on iOS.

That said, I was happy to have it run well on my system with WebGL enabled since that should make it a smooth transition when Safari 8 is released.

Works perfectly in Safari 8 running in Yosemite Beta

Yeah, I'm expecting WebGL to be realistic for many sites in the next year. Even Microsoft is moving to automatic updates and Apple would be foolish not to release Safari 8 at least on 10.8/10.9 since the WebKit nightly builds run perfectly there.

played perfectly on Firefox (Win8.1 Firefox 31.0) for me, I think Chrome is just a suggestion.

It doesn't work in IE11. That page (not the library) does a test for Modernizr.webaudio, which IE11 fails.

For what it's worth, I was browsing with Iceweasel on Debian-stable.

Well, you're comment made me aware I'd better restart my iceweasel session, I'd already upgraded from 29 to 31, but was running old code. And then I found out I'll probably have to reboot, as firefox/iceweasel tries to pull in nouveau-based drivers... and I'm running the binary-blob nvidia drivers.

So, still no webgl, but with any luck xorg will come up with accelerated 3d on next re-boot - and webgl will work too.

I do wish more hw companies would just release free and open drivers...

This particular rig is a hand-me-down -- next gpu will be radeon, among other things for their efforts to be a better driver-citizen than nvidia. Even if for a certain set of configurations, nvidia has delivered better actual hw performance under Linux, for certain fixed configurations.

It worked for me on Firefox. 31 but there have been so many times I was disappointed.

Also the demo/intro was fantastic.