23245 2013-09-14 04:11:43 +0000 Check [TreatNullAs=EmptyString] on some cases 2013-11-12 00:01:46 +0000 1 1 1 Unclassified WHATWG HTML unspecified Other other RESOLVED WORKSFORME P3 normal Unsorted 1 ian ian ian mike zcorpan contributor oldest_to_newest 93378 0 ian 2013-09-14 04:11:43 +0000 See bug 14170 and bug 14169. 96149 1 ian 2013-11-12 00:01:46 +0000 setCustomValidity(): http://software.hixie.ch/utilities/js/live-dom-viewer/saved/2632 Survey says: Chrome/Safari: [TreatNullAs=EmptyString] Firefox: null => "null" IE9: doesn't support setCustomValidity() Spec: null -> "null" atob()/btoa(): http://software.hixie.ch/utilities/js/live-dom-viewer/saved/2633 Survey says: Chrome/Safari: null => "null" Firefox: null => "null" IE9: doesn't support atob(). Spec: null -> "null" I'm leaving the spec as-is.