Objects in JavaScript ES5. Code example

    var ford = Object.create({
        calculateDistancePerYear: function () {
            Object.defineProperty(this, 'distancePerYear', {
                value: Math.ceil(this.distance / this.age),
                enumerable: false,
                writable: false,
                configurable: false
            })
        }
    }, {
        name: {
            value: 'Ford',
            enumerable: true,
            writable: false,
            configurable: false
        },
        model: {
            value: 'Focus',
            enumerable: true,
            writable: false,
            configurable: false
        },
        year: {
            value: 2015,
            enumerable: true,
            writable: false,
            configurable: false
        },
        distance: {
            value: 120500,
            enumerable: true,
            writable: true,
            configurable: false
        },
        age: {
            enumerable: true,
            get: function () {
                console.log('Get age')
                return new Date().getFullYear() - this.year
            },
            set: function () {
                console.log('Set age')
            }
        }
    })

    ford.calculateDistancePerYear()

    for (var key in ford) {
        if (ford.hasOwnProperty(key)) {
            console.log(key, ford[key])
        }
    }

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