'directory/index.js' is another of those. Also, module.exports. Bigger would be like knowing that express has one hoof at the glue factory because koa is bring

'directory/index.js' is another of those. Also, module.exports. Bigger would be like knowing that express has one hoof at the glue factory because koa is bringing mad generators. Also, there's just some stuff you know when you're working with Node all day. Same thing with every profession and specialities. If you work in Rails all day, your'e going to know a hell of a lot more about it than me. I can't just pick up what you know in a weekend.