factory-function.js

// Write a factory function (to create objects) that takes one argument. It should use that argument to set the value of the first key of the object. The second key should be given the value ‘red’. 
function Car(brand) {
    function printCar() {
        console.log(`the brand of car is ${this.brand}`)
    }
    return {
        brand: brand,
        color: 'red',
        printCar: printCar
    }
}

let bmw = Car('bmw')
bmw.color = 'blue'
bmw.printCar()
console.log(bmw)