map.js

var map = require('lodash.map');
var data = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];

console.log('Lodash: ' + time(lodashMap, 1000));
console.log('Native: ' + time(nativeMap, 1000));
console.log('Loop: ' + time(loop, 1000));

function lodashMap () {
    return map(data, function (i) {
        return i + 1;
    });
}

function nativeMap () {
    return data.map(function (i) {
        return i + 1;
    });
}

function loop () {
    var a = [];
    for (var i = 0; i < data.length; i++) {
        a[i] = data[i] + 1;
    }
    return a;
}

function time (fnc, times) {
    var total = 0;
    for (var i = 0; i < times; i++) {
        var s = process.hrtime();
        fnc();
        var t = process.hrtime(s);
        total += t[0] * 1e9 + t[1];
    }
    return total / times;
}