docs: update ECMAScript info (#17801)

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Trotyl Yu 2017-07-12 03:44:56 +08:00 committed by Igor Minar
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@ -346,13 +346,13 @@ elements and their children.
The [official JavaScript language specification](https://en.wikipedia.org/wiki/ECMAScript).
The latest approved version of JavaScript is
[ECMAScript 2016](http://www.ecma-international.org/ecma-262/7.0/)
(also known as "ES2016" or "ES7"). Many Angular developers write their applications
in ES7 or a dialect that strives to be
[ECMAScript 2017](http://www.ecma-international.org/ecma-262/8.0/)
(also known as "ES2017" or "ES8"). Many Angular developers write their applications
in ES8 or a dialect that strives to be
compatible with it, such as [TypeScript](guide/glossary#typescript).
Most modern browsers only support the much older "ECMAScript 5" (also known as "ES5") standard.
Applications written in ES2016, ES2015, or one of their dialects must be [transpiled](guide/glossary#transpile)
Applications written in ES2017, ES2016, ES2015, or one of their dialects must be [transpiled](guide/glossary#transpile)
to ES5 JavaScript.
Angular developers can write in ES5 directly.