js 倒计时 （时分秒版本）

时间：2023-03-09 02:07:27
js 倒计时 （时分秒版本） 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<meta charset="UTF-8">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

    <title>下班倒计时</title>

</head>

<body>

    <div id="msg">

    </div>

</body>

</html>

<script>

var endTime = new Date();

endTime.setHours(9);

endTime.setMinutes(29);

endTime.setSeconds(52);

var getTime = function() {

    var nowTime = new Date();

    var ms = endTime.getTime() - nowTime.getTime();

    var day = Math.floor(ms / (1000 * 60 * 60 * 24));

    var hour = Math.floor(ms / (1000 * 60 * 60)) % 24;

    var minute = Math.floor(ms / (1000 * 60)) % 60;

    var second = Math.floor(ms / 1000) % 60;

    ms = Math.floor(ms / 100) % 10;

    if (day >= 0) {

        document.getElementById("msg").innerHTML = hour + "小时 " + minute + "分 " + second + " 秒"

    } else {

        alert("下班了");

        return false;

    }

    setTimeout("getTime()", 1000);

}

getTime();

</script>

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