JS: ECMAScript 2011 (ECMAScript 5th edition)

Reference

• one single file.
• https://262.ecma-international.org/5.1/

• one single file. local copy.
• ECMAScript Language Specification - ECMA-262 Edition 5.1

• multiple files. one page per chapter.
• ECMAScript Language Specification - ECMA-262 Edition 5.1