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From: Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups: comp.lang.javascript
Subject: Re: ECMAScript
Date: Thu, 06 Jun 2019 22:23:12 +0200
Organization: PointedEars Software (PES)
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Xref: csiph.com comp.lang.javascript:36818

John W Kennedy wrote:

> On 6/5/19 7:58 AM, Arno Welzel wrote:
>> ECMAScript is the one and only standard and JavaScript, V8, JScript etc.
>> are just implementations based on that standard.
> 
> Not historically. JavaScript (originally named LiveScript) came first,
> from NetScape. ECMAScript was based on it.

No, the first edition of ECMAScript (1997 CE) was based on Netscape 
JavaScript 1.1 *and* Microsoft JScript 1.0.

All JavaScripts and JScripts in common use today, at least, are 
implementations of ECMAScript Edition 3 (1999/2000) or later.  (The most 
recent implemented Edition is Edition 9 of 2018.)

See also the “ECMAScript Support Matrix” (URL below).

-- 
PointedEars
FAQ: <http://PointedEars.de/faq> | <http://PointedEars.de/es-matrix>
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