How to make operations with Dates/Hours in Javascript?

Question

I have to subtract two hours passed by the user in the format \'HH: MM\' and the result has to divide by the number of feeds on the day and set the exact hours that it should fe

Answer 1

If you prefer to use a library, you can use momentJS => https://momentjs.com/docs/

But I dont think you need to.

If you want to subtract two hours from a certain date you can do it like this /

var x = new Date();
x = Date.parse(x);
x = x - 7200000;
x = new Date(x);

console.log(x);