How to implement a simple countdown effect in js

To implement the countdown function, first get the target time, then subtract the target time from the current time, and finally convert the time difference into days, hours, minutes, and seconds. Since the obtained time cannot be directly calculated, the object.getTime() method can be used to convert it into the same type for calculation.

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If you want the display interface to look better, you can add a style.

 
 
 



 
目的日期：
 年
 月
 日
 时
 分
 秒
 
 
 
还剩时间：
 天 
 时
 分
 秒
 

The difficulty of countdown is mainly the conversion of time format and number format. In addition to the object.getTime() method, there are Number(object) method.

Recommended tutorial: js tutorial

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