What is ECMAScript?

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What is ECMAScript?

What is ECMAScript?

ECMAScript, sometimes abbreviated as "ES", is a scripting language specification maintained and trademarked by Ecma International, a Europe-based industry association dedicated to technology and communications standards. The specification for the most-recent standard version of ECMAScript - "ES6" or, as it is officially know, "ECMA-262 6th Edition, The ECMAScript 2015 Language Specification," can be found at:

http://www.ecma-international.org/ecma-262/6.0/

As we mentioned above, JavaScript - the scripting language you are learning here and whose code is run by the browsers you (or others) use to visit the pages you build - is an implementation of ECMAScript.

Keep in mind that ECMAScript evolves over time: new features are added, new syntax is adopted, etc. Like CSS, HTML, and other client-side technologies, JavaScript is an implementation of a standard (ECMAScript) by browsers - please be aware that all browsers won't implement (or implement in the same manner) all newer features of ECMAScript, and that later versions of browsers will implement newer features over time.

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