> ES6 added most, if not all, the building blocks to build 99% of the computation you'll ever need. What's missing that you'd deem as worthless? Not the same p

> ES6 added most, if not all, the building blocks to build 99% of the computation you'll ever need. What's missing that you'd deem as worthless? Not the same person, but date/time manipulation is one area I've encountered that's incredibly frustrating (especially when timezones are involved) without libraries like moment. Cross-browser functionality only compounds the issues.