下列程序的輸出是:()。
	function Ball() {
	}
	Ball.prototype = {
	colors:['green','yellow']
	}
	var ball1 = new Ball()
	var ball2 = new Ball()
	ball1.colors.push('blue')
	console.log(ball2.colors)
	A.[’green,’yellow’]
	B.[’green,’yellow’,’blue’]
	C.undefined
	D.以上都不對(duì)
 
                            
	A.match
	B.test
	C.split
	D.splice
