How to get current week start and end date from dashboard

[abhishek_acharya]

var date = new Date();
var currentWeekDay = date.getDay();
var lessDays = currentWeekDay == 0 ? 6 : currentWeekDay-1;

var weekkStart = new Date(new Date(date).setDate(date.getDate()- lessDays));
var weekkEnd = new Date(new Date(wkStart).setDate(wkStart.getDate()+6));