Common methods of JS date and time

JS in ,Date Type is a common type ; Moment.js Is a common process js Date Third party package for ;
This paper deals with js Date Type and moment.js To sort out and summarize the common usage of ;
1、Date()
Output Date(), give the result as follows

Got Date Object is a complex format , In many cases, we need to intercept the time, minutes and seconds of the month, day, year, and then splice them to get the format we need
getFullYear() Returns a four digit year
getMonth Return to the month （0-11）
getDay Return days (1 ~ 31)
getHours Return hours （0-23）
getMinutes Return to minutes （0-59）
getSeconds Return seconds （0-59）
getTime Return timestamp

So I want to go through Date() Object to get the formatted date and time , You need the above method to intercept the year, day, hour, minute and second, and then splice them to get the formatted date and time
2、Moment.js
moment.js Is dealing with js Date Third party package for , Official website ：http://momentjs.cn/
Output moment(), give the result as follows

The output value is an object , from m Data such as year, month, day, hour, minute, second, etc. are obtained in ：

It is formatted directly , therefore moment() More convenient ！