What's the simplest way to decrement a date in Javascript by 1 day?

Question

I need to decrement a Javascript date by 1 day, so that it rolls back across months/years correctly. That is, if I have a date of \'Today\', I want to get the date for \'Ye

Answer 1

var today = new Date();
var yesterday = new Date().setDate(today.getDate() -1);