History of Object.prototype.isPrototypeOf() Revision history for: English (US) Oct 6, 2016, 4:51:13 AM Sheppy Minor fixes Previous Sep 11, 2016, 6:47:14 AM natterca Previous Aug 30, 2016, 1:41:17 AM ibratoev Remove 'prototypeObj' from parameters as it is not really a parameter. Previous Jul 25, 2016, 1:49:51 PM eduardoboucas Add "Return value" section as per Bug 1287421 Previous Jan 4, 2016, 3:39:52 AM fscholz add ES draft Previous Jul 9, 2015, 5:39:21 AM fscholz fix compat parsing error; cleanup Previous Jan 6, 2015, 8:41:45 AM FredKSchott added other prototype methods to the "See Also" section Previous Sep 25, 2014, 1:52:17 AM Mingun Standartized markup. Previous Dec 13, 2013, 12:23:58 PM emagnier Fix typo Previous Nov 24, 2013, 7:43:18 AM fscholz