History of Math.tanh() Revision history for: English (US) Jul 31, 2016, 4:35:07 AM eduardoboucas Add "Return value" section as per Bug 1287421 Previous Dec 28, 2015, 4:26:23 PM fscholz Remove {{harmony}}; remove "Experimental" tag; remove {{experimental_inline}}; add link to ES draft spec Previous Jul 8, 2015, 5:16:42 AM fscholz fix compat parsing error; cleanup Previous Feb 6, 2015, 3:59:00 AM Mingun Standardized and cleaned markup, added {{jsxref}} and {{Compat*}} macros, fixed polyfill, added "See also" section, added `Reference` tag. Previous Oct 18, 2014, 6:44:17 AM realityking Supported in Opera 25 Previous Oct 8, 2014, 2:59:06 PM realityking Supported in Chrome 38 Previous Sep 24, 2014, 2:27:08 AM fscholz clearing tech review. no need to set this flag when just updating compat data. Previous Sep 23, 2014, 1:43:12 PM realityking Add compatibility info for Safari 7.1 and iOS 8 Previous Jul 7, 2014, 12:50:39 PM fscholz Previous Jul 6, 2014, 10:43:12 AM kchapelier Modification of the polyfill : tanh(-Infinity) and tanh(Infinity) returned NaN, expected results are respectively -1 and 1