Finding date by subtracting X number of days from a particular date in Javascript

Question

I want to find date by subtracting X number of days from a particular date in JavaScript. My JavaScript function accepts 2 parameters. One is the date value and the other i

Answer 1

I have created a function for date manipulation. you can add or subtract any number of days, hours, minutes.

function dateManipulation(date, days, hrs, mins, operator) {
    date = new Date(date);
    if (operator == "-") {
       var durationInMs = (((24 * days) * 60) + (hrs * 60) + mins) * 60000;
       var newDate = new Date(date.getTime() - durationInMs);
    } else {
       var durationInMs = (((24 * days) * 60) + (hrs * 60) + mins) * 60000;
       var newDate = new Date(date.getTime() + durationInMs);
    }
   return newDate;
}

Now, call this function by passing parameters. For example, here is a function call for getting date before 3 days from today.

var today = new Date();
var newDate = dateManipulation(today, 3, 0, 0, "-");