es5.txt

Object.create	
Object.defineProperty	
Object.defineProperties	
Object.getPrototypeOf	
Object.keys	df.keys 
Object.seal	
Object.freeze	
Object.preventExtensions	
Object.isSealed	
Object.isFrozen	
Object.isExtensible	
Object.getOwnPropertyDescriptor	
Object.getOwnPropertyNames	

Date.prototype.toISOString	date/stamp.toISOString
Date.now	

Array.isArray	_base/lang.isArray

JSON	json	

Function.prototype.bind	_base/lang.hitch, _base/lang.partial

String.prototype.trim	_base/lang.trim

Array.prototype.indexOf	_base/array.indexOf
Array.prototype.lastIndexOf	_base/array.lastIndexOf
Array.prototype.every	_base/array.every
Array.prototype.some	_base/array.some
Array.prototype.forEach	_base/array.forEach
Array.prototype.map	_base/array.map
Array.prototype.filter	_base/array.filter
Array.prototype.reduce	lang/functional/reduce
Array.prototype.reduceRight	lang/functional/reduceRight

Getter in property initializer	
Setter in property initializer	
Property access on strings	
Reserved words as property names	
Zero-width chars in identifiers	
parseInt() ignores leading zeros	
Immutable undefined	
Strict mode