difference between two dates in minutes js code example

Example 1: get the difference between two dates js

const date1 = new Date('7/13/2010');
const date2 = new Date('12/15/2010');
const diffTime = Math.abs(date2 - date1);
const diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24)); 
console.log(diffTime + " milliseconds");
console.log(diffDays + " days");

Example 2: javascript subtract 2 dates get difference in minutes

var diff = Math.abs(new Date('2011/10/09 12:00') - new Date('2011/10/09 00:00'));