Question

I am working on date related reports so in my project as i required to set day to zero (sunday)
Example today is 6 Dec 2012 (Day is Thursday four(4)) i want set it to last weeks sunday that is 25 nov 2012 (Day is Sunday zero(0))

Answer 1

This is possibly what you need..

    function getLastSunday(leWildDate) {
        var res = new Date();
        res.setDate(leWildDate.getDate() - leWildDate.getDay());
        return res;
    }

    alert(getLastSunday(new Date()));