jsonParse.js

// https://www.youtube.com/watch?v=ff4fgQxPaO0

/*
Because the JSON grammar is much simpler than JavaScript’s grammar, JSON can be
parsed more efficiently than JavaScript. This knowledge can be applied to improve
start-up performance for web apps that ship large JSON-like configuration object
literals (such as inline Redux stores). 
*/

const data = { foo: 42, bar: 1337 }; // 🐌
// ..is equalent to:
const dataTwo = JSON.parse('{ "foo": 42, "bar": 1337 }'); // 🚀