th ® This is the HTML rendering of ECMA-262 6 th Edition, The ECMAScript 2015 Language Specification . The PDF rendering of this document is located at http://www.ecma-international.org/ecma-262/6.0/ECMA-262.pdf . The PDF version is the definitive specification. Any discrepancies between this HTML version and the PDF version are unintentional. Ecma International Rue du Rhone 114 CH-1204 Geneva Tel: +41 22 849 6000 Fax: +41 22 849 6001 Web: http://www.ecma-international.org COPYRIGHT NOTICE © 2015 Ecma International This document may be copied, published and distributed to others, and certain derivative works of it may be prepared, copied, published, and distributed, in whole or in part, provided that the above copyright notice and this Copyright License and Disclaimer are included on all such copies and derivative works. The only derivative works that are p...