ES6 Arrow Function: Map Example 2
by andyjmeyers
HTML
<div id='test1'></div>
Babel + JSX
var planets = ['Mercury', 'Venus', 'Earth', 'Mars', 'Jupiter', 'Saturn', 'Uranus', 'Neptune', 'Pluto'];
var index = 1;
var filteredPlanets = _.map(planets, p => ({index: index++, planet: p}));
document.getElementById('test1').innerHTML = 'M Planets: ' + JSON.stringify(filteredPlanets);