Time conversion in js—sample code for converting milliseconds to date and time

Convert js millisecond time to date time

var oldTime = (new Date("2011/11/11 20:10:10")).getTime(); //得到毫秒数

Most of them use milliseconds divided by 365*24*60*60&1000 to convert it back. This method is too complicated to convert, year, month and day. , hours, minutes and seconds have to be obtained in different ways, and some years have 366 days, and some have 365 days, so it is too complicated to calculate.

I tried a method later and it actually worked

var oldTime = (new Date("2011/11/11 20:10:10")).getTime(); //得到毫秒数
var newTime = new Date(oldTime); //就得到普通的时间了

Directly pass in the milliseconds as a parameter and give it to the Date object to get the ordinary time, and then use getHours, getFullYear, etc. Method to get the year, month, day, hours, minutes and seconds

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