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.
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 ...