Simple JavaScript Object – Code Example

Below is a code example for creating a basic object and using a function to calculate the fuel economy.

// New object Car
const car = {
    make: 'Honda',
    model: 'Civic',
    topSpeed: 100,
    tankCapacity: 10,
    range: 300,
    MPG: function() {
        this.mpg = this.range / this.tankCapacity;
        return this.mpg
    }
}

car.MPG();  // We need to call this to calculate the MPG, otherwise we get undefined

console.log(`My car is a ${car.make + " " + car.model }, can go ${car.topSpeed}/MPH, and gets ${car.mpg}/MPG `)

// Alternatively we can call the function car.MPG() directly.  
// This keeps us from having to run the function before logging.
console.log(`My car is a ${car.make + " " + car.model }, can go ${car.topSpeed}/MPH, and gets ${car.MPG()}/MPG `)

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