Стандарт ECMAScript (в формате PDF)
ftp://ftp.ecma.ch/ecma-st/Ecma-262.pdf
JavaScript в Netscape Navigator 2.x - 4.x
http://developer.netscape.com/docs/manuals/js/client/jsref/index.htm
JScript в Microsoft Internet Explorer
http://msdn.microsoft.com/library/en-us/script56/html/js56jslrfjscriptlanguagereference.asp