使var基于if语句返回特定值

Question

我写了一个for循环在墙上唱99瓶啤酒。我正在使用一个if语句向var word返回一个特定的值。当瓶数为99到2时，则var word=“bottles”，当瓶数为1时，则var word=“bottle”。这工作得很好，但在最后一次迭代的最后一行中，当瓶子的数量为0时，我希望var word等于“bottles”，它仍然是“bottle”。

var word="bottles";
for (var count = 99; count > 0; count-- ) { 
   document.write(count + " " + word + " of beer on the wall, <br>");
    document.write(count + " " + word + " of beer.<br>" );
    document.write("Take one down, pass it around,<br>");
    var count2 = count - 1;
        if (count2 === 1) {
        word = "bottle";
        }
    document.write(count2 + " " + word + " of beer on the wall.<br><br>");
    }   

我的if语句的条件是否不正确？这就是最后三次迭代在浏览器中的样子：

墙上3瓶啤酒，3瓶啤酒。取下一瓶，传给周围，墙上有两瓶啤酒。

墙上2瓶啤酒，2瓶啤酒。取下一瓶，传给周围，一瓶啤酒挂在墙上。

墙上1瓶啤酒，1瓶啤酒。取下一瓶，传给周围，墙上有0瓶啤酒。

Answer 1

您错过了要重置为瓶子的else部分，请尝试使用此脚本

null

var word="bottles";
for (var count = 99; count > 0; count-- ) { 
   document.write(count + " " + word + " of beer on the wall, <br>");
    document.write(count + " " + word + " of beer.<br>" );
    document.write("Take one down, pass it around,<br>");
    var count2 = count - 1;
        if (count2 === 1) {
        word = "bottle";
        } else
	{ word = "bottles";
	}
    document.write(count2 + " " + word + " of beer on the wall.<br><br>");
    }