JSFiddle - React, Tailwind, and code Playground

by watsuyo_2

HTML

<script src="https://rawgit.com/tweeeety/logFiddle/master/execLogFiddle.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.3.0/lodash.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.3.0/lodash.min.js"></script>

JavaScript

function square(n){
  return n * n;
}

const num1 = _.map([4, 8], square);

console.log(num1);
// => [16, 64]

const num2 = _.map({ 'a': 4, 'b': 8 }, square);

console.log(num2);
// => [16, 64]
 
const users = [
  { 'user': 'barney' },
  { 'user': 'fred' }
];
console.log(users);
// =>  [{"user":"barney"},{"user":"fred"}]

const usersName = _.map(users, 'user')
console.log(usersName);

// => ['barney', 'fred']