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

var date=new Date();
var date=new Date(date.setDate(date.getDate()-1));
console.log(date);

This will give you same Date format, but not tested for edge case scenarios.