[1] >A [DFN@en[native object]] is any [[object]] supplied by an [[ECMAScript]] [[implementation]] independent of the [[host environment]]. Standard [[native objects]] are defined in this specification. Some [[native objects]] are [[built-in]]; others may be constructed during the course of execution of an [[ECMAScript]] [[program]]. ;; [CITE[ECMAScript Language Specification (HTML version)]] ([TIME[2009-04-03 04:43:48 +09:00]] 版)