Getting loopy with JavaScript

index.js

'use strict';

const {
  createHistogram,
  performance: {
    timerify
  }
} = require('perf_hooks');

const users = [
  { active: true, id: 'a1', name: 'abc1' },
  { active: false, id: 'a2', name: 'abc2' },
  { active: true, id: 'a3', name: 'abc3' },
  { active: false, id: 'a4', name: 'abc4' },
  { active: false, id: 'a5', name: 'abc5' },
  { active: true, id: 'a6', name: 'abc6' },
  { active: false, id: 'a7', name: 'abc7' },
  { active: true, id: 'a8', name: 'abc8' },
  { active: false, id: 'a9', name: 'abc9' },
  { active: false, id: 'a10', name: 'abc10' },
  { active: true, id: 'a11', name: 'abc11' },
  { active: true, id: 'a12', name: 'abc12' },
  { active: false, id: 'a13', name: 'abc13' },
  { active: true, id: 'a14', name: 'abc14' },
  { active: true, id: 'a15', name: 'abc15' },
  { active: false, id: 'a16', name: 'abc16' },
  { active: true, id: 'a17', name: 'abc17' },
];

function option1(users) {
  const result = {};
  users.forEach((user) => {
    if (!user.active)
      result[user.id] = user.name;
  });
  return result;
}

function option2(users) {
  return users.reduce((result, user) => {
    if (!user.active)
      result[user.id] = user.name;
    return result;
  }, {});
}

function option3(users) {
  const result = {};
  for (let user of users) {
    if (!user.active)
      result[user.id] = user.name;
  }
  return result;
}

function option4(users) {
  const result = {};
  for (let n = 0; n < users.length; n++) {
    const user = users[n];
    if (!user.active)
      result[user.id] = user.name;
  }
  return result;
}

function option5(users) {
  return users.filter((user) => !user.active)
              .map((user) => ({ [user.id]: user.name }))
              .reduce(Object.assign, {});
}

function option6(users) {
  return users.reduce((acc, curr) => {
    if (curr.active) return acc;
    return {...acc, [curr.id]: curr.name };
  }, {});
}

const h_option1 = createHistogram();
const t_option1 = timerify(option1, { histogram: h_option1 });

const h_option2 = createHistogram();
const t_option2 = timerify(option2, { histogram: h_option2 });

const h_option3 = createHistogram();
const t_option3 = timerify(option3, { histogram: h_option3 });

const h_option4 = createHistogram();
const t_option4 = timerify(option4, { histogram: h_option4 });

const h_option5 = createHistogram();
const t_option5 = timerify(option5, { histogram: h_option5 });

const h_option6 = createHistogram();
const t_option6 = timerify(option6, { histogram: h_option6 });

process.on('exit', () => {
  console.log('option1', h_option1.min, h_option1.max, h_option1.mean, h_option1.stddev)
  console.log('option2', h_option2.min, h_option2.max, h_option2.mean, h_option2.stddev)
  console.log('option3', h_option3.min, h_option3.max, h_option3.mean, h_option3.stddev)
  console.log('option4', h_option4.min, h_option4.max, h_option4.mean, h_option4.stddev)
  console.log('option5', h_option5.min, h_option5.max, h_option5.mean, h_option5.stddev)
  console.log('option6', h_option6.min, h_option6.max, h_option6.mean, h_option6.stddev)
});

for (let n = 0; n < 1e6; n++) {
  t_option1(users);
  t_option2(users);
  t_option3(users);
  t_option4(users);
  t_option5(users);
  t_option6(users);
}

option1 340 187647 410.657562 566.7615826961247
option2 330 173567 391.390447 545.9543098594792
option3 340 336639 405.218414 638.6245288018027
option4 330 182271 392.341791 533.6590191778945
option5 14328 926207 15716.732428 6277.805672464639
option6 2540 192511 2811.1838 1653.4001916491854