Source code of live video system, countdown display, countdown of commodity spike

Live video system source code , The countdown shows , Second kill countdown of commodities
style ：

 <style>
        body {
    
            background-color: gray;
        }
        
        ul {
    
            list-style: none;
        }
        
        ul li {
    
            border: 1px solid black;
            float: left;
            width: 50px;
            height: 50px;
            line-height: 50px;
            text-align: center;
            border-radius: 5px;
            margin-right: 10px;
        }
        
        ul li:nth-child(1) {
    
            width: 150px;
        }
        
        ul li:nth-child(5) {
    
            margin: 0;
        }
    </style>

structure ：

<ul>
    <li> Countdown to lottery time </li>
    <li id="d"></li>
    <li id="h"></li>
    <li id="c"></li>
    <li id="s"></li>
</ul>

Behavior ：

```javascript
 	<script>
        //  Initialize time variable 
        var d = 0,
            h = 0,
            c = 0,
            s = 0;
        //  Set the end time 
        var endTime = new Date('2021-11-24 19:49:50').getTime();
        // Set the timer  dingshiqi =》  Timer 
        var dingshiqi = setInterval(action, 1000);

        function action() {
    
            //  Get the current time 
            var now_time = new Date().getTime();
            //  The time remaining until the end   End time - present time 
            var lase_time = (endTime - now_time) / 1000;
            //  Determine whether to end the countdown 
            if (lase_time > 0) {
    
                // Calculate remaining days 
                d = parseInt(lase_time / (60 * 60 * 24));
                //  Calculate the remaining hours 
                h = parseInt((lase_time / (60 * 60)) % 24);
                //  Calculate minutes remaining ：
                c = parseInt((lase_time / 60) % 60);
                //  Calculate the current seconds 
                s = parseInt(lase_time % 60);

                // Format the output ：（ Less than 10 The situation of , Add in front 0）
                d = d < 10 ? '0' + d : d;
                h = h < 10 ? '0' + h : h;
                c = c < 10 ? '0' + c : c;
                s = s < 10 ? '0' + s : s;
            } else {
    
                clearInterval(dingshiqi);
                d = h = c = s = '00';
            }
            //  Transfer data to html in 
            document.getElementById('d').innerHTML = d + ' God ';
            document.getElementById('h').innerHTML = h + ' when ';
            document.getElementById('c').innerHTML = c + ' branch ';
            document.getElementById('s').innerHTML = s + ' second ';
        }
    </script>

That's all Live video system source code , The countdown shows , Second kill countdown of commodities , More content welcome to follow the article