On Mon, Oct 31, 2011 at 4:21 PM, James Graham <jgraham@opera.com> wrote: > Will anyone have a problem if we start using ES5 features in testharness.js? > It will allow more precise testing of some WebIDL stuff. I think all > browsers ship ES5 implementations these days so there shouldn't be a problem > with compatibility. As far as I'm aware, released versions of Opera do not have full support for ES5. E.g., data:text/html,<!doctype html><script>alert("keys" in Object)</script> alerts "false" in Opera 11.50 (although "true" in recent Chrome/Firefox), and "Check For Updates" tells me this is the latest version. Object.keys is defined in ES5: http://es5.github.com/#x15.2.3.14 I don't object to using any features that are supported by the latest version of every major browser. I already do so in my tests, so it won't affect me if testharness.js does too.Received on Monday, 31 October 2011 20:50:11 GMT
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