I used moment js for this ... u can get it from here
/*
all functions return moment() object.. <br>
GetNextWeekStart().format('DD/MM/YYYY') to get 24/02/2014
*/
function GetNextWeekStart() {
var today = moment();
//edited part
var daystoMonday = 0 - (today.isoWeekday() - 1) + 7;
var nextMonday = today.subtract('days', daystoMonday);
return nextMonday;
}
function GetNextWeekEnd() {
var nextMonday = GetNextWeekStart();
var nextSunday = nextMonday.add('days', 6);
return nextSunday;
}
function GetLastWeekStart() {
var today = moment();
var daystoLastMonday = 0 - (1 - today.isoWeekday()) + 7;
var lastMonday = today.subtract('days', daystoLastMonday);
return lastMonday;
}
function GetLastWeekEnd() {
var lastMonday = GetLastWeekStart();
var lastSunday = lastMonday.add('days', 6);
return lastSunday;
}