How to find the difference between two dates?

Question

Hi Guys i have two date firstDate = "06/11/2019" lastDate = "15/11/2019 00:00:00"

var date1 = new Date(firstDate);
var date2 = new Date(lastDate);
var diffTime = Math.abs(date2 - date1);
var diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24));

i get diffDays=NaN. how can i do this. Thanks.

Answer 1

Your lastDate is an invalid date. You can check this with

Date.parse("15/11/2019 00:00:00")

which will return a NaN

Check the Warnings section https://www.w3schools.com/js/js_date_formats.asp