ahmehri

const _ = require('lodash');

const array1 = [1, 2];

const array2 = [1, 2];

const result = array1 === array2;
result

console.log([] === [])

ahmehri

const msg = 'test';
const test1 = 'test1';

const regex = /test/;

console.log(regex.test(msg));

const regex1 = `/${msg}/`;
// console.log(regex1.test(msg)) // regex1.test is not a function
const regex3 = /`${msg}$`/

ahmehri

let result;

let value;
result = {
  value
};

// how to avoid the following result, adding a property to an object
// if it's value is undefined?
result;

ahmehri

const _ = require('lodash');

const obj1 = { entities: { jobs: { 1: 1 }, source: 'obj1' } };
const obj2 = { entities: { jobs: { 1: 3 } }};

const merge = { ...obj1, ...obj2};
merge

const mergeWithLodash = _.merge({}, obj1, obj2);
mergeWithLodash

ahmehri

const person = {
  name: 'ahmehri',
  age: 29,
}

const key = 'age';

const { [key]: destructuredAge } = person;
destructuredAge

ahmehri

const result = Array.from({ length: 3 }, (elt, index) => index);
result

ahmehri

function f1WithoutUseStrict() {
  return this;
}

function f1WithUseStrict() {
  'use strict';

  return this;
}

ahmehri

'use strict';

import test from 'ava';

let promise1;
let promise2;
let promise3;
let promises;

test.beforeEach(() => {