get first and last date of week in month all weeks code example

Example: get current weeks first date and last date

weekdate() {
     var curr = new Date();
     var first = curr.getDate() - curr.getDay() + 1;
     this.firstday = new Date(curr.setDate(first));
     this.lastday = new Date(curr.setDate(curr.getDate() + 6));
   }