<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<script>
var s = 800;
alert(Math.floor(s/60) + '分' + s%60 + '秒') //将一个函数进行下取整
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<script>
var s = 800;
alert(Math.floor(s/60) + '分' + s%60 + '秒') //将一个函数进行下取整
</script>
</body>
</html>