> Arrow functions are more compact and have shorter syntax than function expression, and it utilises =>, that looks like a fat arrow.<p>It's probably worth noting that the arrow syntax isn't <i>just</i> shorthand, it also maintains `this` from the outer scope. (or rather, doesn't define its own)<p>MDN has an excellent write up on the nuances: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Arrow_functions" rel="nofollow">https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe...</a>