circle.js

(function () {
    "use strict";

    // create a circle object
    var circle = {
        radius: 3,

        getArea: function () {
            // // TODO: complete this method
            // // hint: area = pi * radius^2
            // return; // TODO: return the proper value
            return Math.PI * this.radius ** 2;
        },

        logInfo: function (doRounding) {
            // TODO: complete this method.
            // If doRounding is true, round the result to the nearest integer.
            // Otherwise, output the complete value
            console.log("Area of a circle with radius: " + this.radius + ", is: ");
            console.log(doRounding ? Math.round(this.getArea()) : this.getArea());
        }
    };

    // log info about the circle
    console.log("Raw circle information");
    circle.logInfo(false);
    console.log("Circle information rounded to the nearest whole number");
    circle.logInfo(true);
    console.log("=======================================================");
    // TODO: Change the radius of the circle to 5.

    circle.radius = 5;
    // log info about the circle
    console.log("Raw circle information");
    circle.logInfo(false);
    console.log("Circle information rounded to the nearest whole number");
    circle.logInfo(true);
})();