https://ponyfoo.com/articles/tc39-ecmascript-proposals-future-of-javascript
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https://ponyfoo.com/articles/tc39-ecmascript-proposals-future-of-javascript
origin - http://www.pipiscrew.com/2017/06/tc39-ecmascript-and-the-future-of-javascript/ tc39-ecmascript-and-the-future-of-javascript