JS Class example

//Create instance of box class
var myBox = new Box(100,200);

console.log("Box width: " + myBox.Width);
console.log("Box width: " + myBox.Height);

//Change box size with function
myBox.changeSize(500,500);

//Change box size with variables
myBox.Width = 500;
myBox.Height = 500;


//Box class
function Box(width, height) {

    //Class variables
    this.Width = width;
    this.Height = height;

    //Class functions
    this.SomeFunction = function() {

    }
    this.changeSize = function(w,h) {
        this.Width = w;
        this.Height = h;
    }

}