Matthew Gerstman explaining a lot of terms that evolve around JavaScript: ECMA, TC39, Babel, Polyfills, … So you Google how to make your app work in IE 10, or 11, or whatever. You’re quickly flooded with acronyms and terms you’ve never heard before ES5, ES6, ESNext, ES2020, TC39, ECMA. What’s a transpiler? People are debating …