How to get yesterday date in node.js backend?

Question

I am using date-format package in node back end and I can get today date using

var today = dateFormat(new Date());

In the same

Answer 1

Date class will give the current system date and current_ date - 1 will give the yesterday date.

Eg:

var d = new Date(); // Today!
d.setDate(d.getDate() - 1); // Yesterday!