JSFiddle - React, Tailwind, and code Playground
by ric47121
HTML
<script type="text/javascript" src="http://documentcloud.github.com/underscore/underscore-min.js"></script>JavaScript
/*
var res;
res = _.map([1, 2, 3], function(num){ return num * 3; });
console.log(res); //3,6,9
res = _.map({one : 1, two : 2, three : 3}, function(num, key){ return num * 3; });
console.log(res); //3,6,9
*/
/*------*/
var amigos = [{name: 'pepe',edad: 52},{name: 'ruben',edad: 12},{name: 'oscar',edad: 32}];
var amigosMayores = _.filter(amigos, function(p){ return p.edad > 18 })
console.log(amigosMayores); //pepe y oscar
var nombres = _.map(amigos, function(p){ return p.name })
console.log(nombres); //["pepe", "ruben", "oscar"]
var pe = _.find(amigos, function(p){ return p.name == 'pepe'; });
console.log(pe);