JavaScript定时器实现限时秒杀功能

本文实例为大家分享了JavaScript实现限时秒杀功能的具体代码，供大家参考，具体内容如下

文件index.html

代码：

 
  
  
  
  
 
 
  
  

   
   
距离本厂秒杀结束还剩:
   

    
    

     00
     天
    
    

     00
     时
    
    

     00
     分
    
    

     00
     秒
    
   
  
  
 

样式表文件index.css

#imgMain{
 
}
.divMain{/*外层div*/
width: 100%;
height: 100%;
 display: flex;
 justify-content: left;
 align-items: center;/*位于弹性盒子垂直方向的中心*/
 flex-direction: column;/*设置弹性盒子排序方向*/
}
/* 外层时间div */
#divSecond{
 width: 500px;
 height: 500px;
 display: flex;
 justify-content: center;
 align-items: flex-start;
 flex-direction: row;
}
.divFours{/*时间div1-4*/
 width: 10%;
 height: 10%;
 border: 2px solid red;
 display: flex;
 flex-direction: row;
 justify-content: center;
 align-items: center;
}
/* 图片外层div */
#divFrist{
 width: 20%;
}
/* 剩余时间显示 */
.fontdate{
 color: deeppink;
}
.fonttext{
 color: darkblue;
}

JavaScript文件index.js

function torun(str){
 
 var date=new Date();
 var systemDay=date.getDate();
 var systemHour=date.getHours();
 var systemMinute=date.getMinutes();
 var systemSecond=date.getSeconds();
 
 var endDate=new Date(str);
 var endDay=endDate.getDate();
 var endHour=endDate.getHours();
 var endMinute=endDate.getMinutes();
 var endSecond=endDate.getSeconds();
 
 var remainingDay=-(systemDay-endDay)-1;
 var remainingHour=-(systemHour-endHour)-1;
 var remainingMinute=-(systemMinute-endMinute)-1;
 var remainingSecond=(systemSecond-endSecond>=0)?systemSecond-endSecond+59:-(systemSecond-endSecond)-1;
 
 
 console.log("剩余"+remainingDay+"天");
 console.log("剩余"+remainingHour+"时");
 console.log("剩余"+remainingMinute+"分");
 console.log("剩余"+remainingSecond+"秒");
 
 console.log("当前天"+systemDay+"结束天"+endDay);
 console.log("当前时"+systemHour+"结束时"+endHour);
 console.log("当前分"+systemMinute+"结束分"+endMinute);
 console.log("当前秒"+systemSecond+"结束秒"+endSecond);
 
 document.getElementById("font1").innerText=remainingDay+"";
 document.getElementById("font2").innerText=remainingHour+"";
 document.getElementById("font3").innerText=remainingMinute+"";
 document.getElementById("font4").innerText=remainingSecond+"";
 
}
var int=setInterval('torun("2020-12-5 23:59:59")',60);

目录

效果

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。