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Comment by ohwp | Hacker News Reader

A tech question: I'm a Opera user and notice that a lot of websites just don't work in Opera lately. Now I wonder what special Javascript is required for a page like the Santa Tracker that Opera doesn't support. Because I don't get why a simple animation used in the clock for example doesn't work. Is this a developers problem for using unsupported Javascript or is Opera having big issues keeping there browser up to date?

Edit: I noticed that Opera is altering the Javascript by inserting a "browser.js" file.

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Damn, that's a shame. (I'm one of the engineers who worked on this site)

We've been working really hard to get this out there - but unfortunately I haven't had a chance to test on Opera. What version of Opera, and what OS are you running? I'd like to make sure this works for as many people as possible.

edit: Looks like our SCSS mixin didn't generate the Opera specific prefixes. We'll try to get that updated in the next couple days :-)

Well I don't think it's a shame when Opera is to blame ;) But thanks for your reply.

  Version 12.11 
  Build 1661 
  Platform Win32 
  System Windows 7 (Server 2008)
  Opera/9.80 (Windows NT 6.1; WOW64) Presto/2.12.388 Version/12.11

How many people actually worked on this project ? (just curious)

Including or excluding Santa and his elves?

Some of the scenes are using 3d-transformations, for GPU acceleration. Opera doesn't support 3d transforms yet. :(

I believe browser.js (and if I remember correctly, browser.css) are files that are inserted to every page containing JavaScript/CSS mods that you set in your browser (either through settings, or in the Opera folder).

Time to switch browsers. Gone are the days when anyone could write one, they are now very complex products and a company would need the resources of google, Microsoft etc to build one. Opera was once ok, but there's just no way it can keep up and hasn't for a long time been a viable browser.

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