javascript用switch语句输入0～9之间的一个数字,输出其对应的英文单词

帮你写了一个,代码如下:
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str=prompt("请您输入：","");
str=parseInt(str,10);
switch(str)
{
case 0:
alert("Zero");
break;
case 1:
alert("one");
break;
case 2:
alert("two");
break;
case 3:
alert("three");
break;
case 4:
alert("four");
break;
case 5:
alert("five");
break;
case 6:
alert("six");
break;
case 7:
alert("seven");
break;
case 8:
alert("eight");
break;
case 9:
alert("nine");
break;
default:
alert("您输入的内容不在数字0-9之间");
}