<script>
function getRandom(min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
}
var random = getRandom(1, 50);
var count = 10;
while (count >= 0) {
count--;
var num = prompt('你来猜猜,输入1~50之间的任意数');
if (num < 0 || num > 50) {
alert('不符合要求,你还有' + count + '次机会');
} else if (count == 0) {
alert('你的次数已用完!');
break;
} else if (num < random) {
alert('你猜小了,还有' + count + '次机会');
} else if (num > random) {
alert('你猜大了,还有' + count + '次机会');
} else {
alert('你猜对了');
break;
}
}
</script>
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