2机

距离2020-12-04 16:50:00还有多久

<ul id="app"></ul>
    <script>
         function handleTime(value){
             if(value<10){
                 return "0"+value;
             }
             return ""+value;
        }
        function showTime() {
            var app = document.getElementById("app");
            endTime = "2020-12-04 16:50:00";
            var endTime = new Date(endTime).getTime();
            var nowTime = new Date().getTime();
            var gapTime = endTime - nowTime;
            console.log(gapTime);
            var seconds = Math.floor(gapTime / 1000);
            console.log(seconds);
            var hours = handleTime(Math.floor(seconds / 3600));
            console.log(hours);
            seconds = seconds % 3600;
            console.log(seconds);
            var minutes = handleTime(Math.floor(seconds / 60));
            console.log(minutes);
            seconds = handleTime(seconds % 60);
            console.log(seconds)
            var sum = hours + ":" + minutes + ":" + seconds;
            app.innerHTML=sum
            setTimeout(function() {
                showTime();
            },1000)
        }
        showTime();
    </script>