History of Object.prototype.valueOf() Revision history for: English (US) Jul 26, 2016, 1:44:31 AM eduardoboucas Add "Return value" section as per Bug 1287421 Previous Jan 28, 2016, 7:50:10 AM mrenty Technical review completed. Previous Jan 25, 2016, 1:33:10 PM ChrisMondok Removed multiple references to "[object Object]". This article is not about Object.prototype.toString. Previous Jan 4, 2016, 3:55:27 AM fscholz add ES draft Previous Jul 9, 2015, 7:10:10 AM fscholz fix compat parsing error; cleanup Previous Sep 25, 2014, 11:47:23 PM Mingun Standartized markup, added jsxref templates. Previous Nov 22, 2013, 12:13:49 PM fscholz Previous Nov 22, 2013, 12:13:05 PM fscholz cleanup Previous May 28, 2013, 8:33:29 AM Sheppy JavaScript/Reference/Global_Objects/Object/valueOf Web/JavaScript/Reference/Global_Objects/Object/valueOf Previous Dec 15, 2012, 5:24:15 AM ethertank