Benchmark obj

const faker = require('faker')

const obj = {}

for (let i = 0; i < 1000; ++i) {
    obj[faker.name.findName()] = faker.name.jobTitle()
}

const list = Object.keys(obj)
console.log('Keys', list.length)


function test() {
    let count = 0
    console.time('2')
    list.forEach(key => {
        if (obj[key]) ++count
    })
    console.timeEnd('2')

    console.time('1')
    list.forEach(key => {
        if (key in obj) ++count
    })
    console.timeEnd('1')

}