How do I know which version of Javascript I’m using?
Wikipedia (or rather, the community on Wikipedia) keeps a pretty good up-to-date list here. Most browsers are on 1.5 (though they have features of later versions) Mozilla progresses with every dot release (they maintain the standard so that’s not surprising) Firefox 4 is on JavaScript 1.8.5 The other big off-the-beaten-path one is IE9 – it … Read more