JavaScript was very nice before ES6. All ES6 did was to add syntax sugar/meta. var in JavaScript belongs to the function it is declared in. ES6 made the languag

JavaScript was very nice before ES6. All ES6 did was to add syntax sugar/meta. var in JavaScript belongs to the function it is declared in. ES6 made the language way more complicated, and divided the community up into more dialects. The plan was to unite compile-to-JavaScript communities like CoffeeScript, but that didn't work because there's more compile-to-JavaScript languages now then it ever has been.