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I tried the link on a Mac using OS X 10.6.8 with Firefox 5.0.1 (latest) and I get this quasi-popup error "https://html5-demos.appspot.com/static/html5-whats-ne

I tried the link on a Mac using OS X 10.6.8 with Firefox 5.0.1 (latest) and I get this quasi-popup error "https://html5-demos.appspot.com/static/html5-whats-new/slides.js https://html5-demos.appspot.com/static/html5-whats-new/slide... (line 480) : slide.dataset is undefined"

ciupicri 15y ago
Same with firefox-5.0-2.fc15.x86_64
bzbarsky 15y ago
Dataset support is coming in Firefox 6. Try a beta build. ;)
JadeNB 15y ago
It's not just a version problem; I'm on the Firefox 8.0a1 nightly, and I got the same error.