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Standard ECMA-262
ECMAScript® 2015 Language Specification

6th edition (June 2015)

This Standard defines the ECMAScript 2015 general purpose programming language.

The following files can be freely downloaded:

File name Size (Bytes) Content
ECMA-262.pdf 12 501 480 Acrobat (r) PDF file
ECMA-262 edition 6   Browsable HTML

This 6th edition will be also approved as fourth edition of the international standard ISO/IEC 16262:2016.

This 6th edition has been prepared under the Ecma RF patent policy.

The previous replaced "historical" editions of this Ecma Standard are available here.