arrow_functions_1.js

// ES6
// ES6 means ECMAScript 6, which is the latest version of JavaScript.
// ECMAScript is the organization that sets the standards for JavaScript.
// The version before ES6 was ES5.
// ES5
let myFunction = function (a, b) {
    return a * b;
}
console.log(myFunction(2, 3)); // 6 
// ES6 using arrow functions
let myFunctionVersion2 = (a, b) => {
    return a * b;
}

console.log(myFunctionVersion2(2, 3)); // 6

Link to second example: https://gist.github.com/suhailgupta03/f51882f4c00a01752e4c14efe88a6cfd