如何计算日期之间的持续时间,我希望当前日期(开始)自动选择,并且应该显示2年的验证(结束)日期
问题描述:
我希望当前日期(开始日期)自动选择,验证日期(结束日期)显示2年,并且应显示 验证栏中的剩余天数
我尝试了什么:
I want current date (start date) to pick automatically and validation date(end date) is displayed for 2 year and it should display the remaining days in validation column
What I have tried:
<!DOCTYPE html>
试试吧
Try it
<p id="demo"></p>
function myFunction() {
var currentDate = new Date();
var Year = currentDate.getFullYear();
var day = currentDate.getDate();
var month = currentDate.getMonth();
var newYear=new Date(Year+1,month,day)
document.getElementById("demo").innerHTML = newYear;
}
答
无论是什么,一旦你从如何在javascript中添加小时和分钟 [ ^ ] ,解决方案只是一些算术计算。
Whatever it is, once you learn of how date time derived in JavaScript from How to add hour and minute in javascript[^], the solution is just some arithmetical calculations away.