How to get first date and last date from Previous week in JavaScript?

Question

Please anyone share the code to find the previous week's first date from current date in JavaScript. For example, if the current date is 19th dec 2012, I should get 10th Dec 2012 and last date 16th Dec 2012 as result.

Answer 1

function getPreviousSunday()
{
var today=new Date();
return new Date().setDate(today.getDate()-today.getDay()-7);
}


function getPreviousMonday()
{
var today=new Date();
if(today.getDay() != 0)
  return new Date().setDate(today.getDate()-7-6);
else
  return new Date().setDate(today.getDate()-today.getDay()-6);
}