ES6 provides solutions for #1 and #2. These will replace the fragmented existing solutions. I'm not sure I understand #3. Closures? 1. https://babeljs.io/docs

ES6 provides solutions for #1 and #2. These will replace the fragmented existing solutions. I'm not sure I understand #3. Closures? 1. https://babeljs.io/docs/learn-es2015/#modules https://babeljs.io/docs/learn-es2015/#modules 2. https://babeljs.io/docs/learn-es2015/#classes https://babeljs.io/docs/learn-es2015/#classes