Chapter 13. Advanced Workflow

All these ES6 features (and many more) may get you excited, but there is a catch here. As we mentioned before, not all browsers fully support ES6/ES2015 features.

In order to be able to write this new JavaScript syntax today, we need to have a middleman which will take our code and transpile it to Vanilla JS (http://vanilla-js.com/), which every browser understands. This procedure is really important in production, even though you might not think so.

Let me tell you a story. A few years ago, a co-worker of mine began using some cool JS features that weren't fully supported by all browsers. A few days later our users started complaining about some pages of our website not showing correctly, but we couldn't figure out ...

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