猜數字遊戲
HTML程式碼如下：
<!DOCTYPE html>
<html>
<head>
<title></title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
<h2>
猜數字遊戲(break 和 continue)
</h2>
<hr/>
<script>
var target = 34;
var number = 0;
var times = 0;
do {
number = window.prompt("輸入數字",number);
if (number == null || number == target)
break;
if(number > target)
{
alert(number + "太大！")
times++;
continue;
}
else if(number != target)
{
alert(number + "太小");
times;
continue;
}
} while(true);
if(number == null)
document.write("不猜了！ 答案為： " + target + "<br/>");
else
{
document.write("猜對了！ 答案為： " + target + "<br/>");
document.write("共猜了： " + (times+1) + "次<br/>");
}
</script>
</body>
</html>
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