History of Object.isExtensible() Revision history for: English (US) Jul 25, 2016, 4:35:19 AM eduardoboucas Reword Return value in line with is() method Previous Jul 25, 2016, 4:33:25 AM eduardoboucas Add "Return value" section as per Bug 1287421 Previous Jan 4, 2016, 3:29:13 AM fscholz add ES draft Previous Aug 3, 2015, 6:47:48 AM fscholz add Reflect.isExtensible Previous Jul 9, 2015, 5:51:19 AM fscholz dont use assert Previous Jul 9, 2015, 5:29:25 AM fscholz fix compat parsing error; cleanup Previous Sep 23, 2014, 2:40:23 AM Mingun Standartized markup, added Compat* and jsxref templates, added “Chrome for Android” section to compatibility table, double to single quotes in code examples. Previous Sep 22, 2014, 11:02:26 PM ziyunfei Previous Aug 30, 2014, 8:09:20 PM ziyunfei Previous Nov 26, 2013, 3:18:14 AM fscholz