Class to Object

.js

console.clear();

var Track = function(attrs) {
	this.icon = (attrs && attrs.icon || 'play_arrow');
	this.toggle = (attrs && attrs.toggle || 'close');
	this.arrow = (attrs && attrs.arrow || 'keyboard_arrow_down');
	this.toObject = function() {
		var newObject = {};
		for (var prop in this) {
			if (this.hasOwnProperty(prop) && typeof this[prop] !== 'function') {
				newObject[prop] = this[prop];      
			}
		}
		return newObject;
	}
};

var track = new Track();
console.log(track.toObject());