how to calculate the number of days between two dates in javascript
function javascript (date1, date2) { let oned = 24 * 60 * 60 * 1000; return Math.ceil((date2 - date1) / oned); } function javascript(date1, date2) { return new Date(date2 - date1).getDate() - 1 } function javascript(date1, date2) { return Math.ceil((date2 - date1) / 8.64e7); }