juharop

'use strict';
	var SunInited;
	function Sun() {
		SunInited= SunInited || {
			color: 'yellow',
			isBig: true
		}
    return SunInited
    
}

var sun1 = new Sun;

var sun2 = new Sun;

 // true.
console.log(sun1 === sun2);