JS - Add query string to parameter if value exist in JSON

Question

let status = null; 
      
if(this.actionType === 'buy') {
  status = 1;
  let status1 = window.location.search + `&status=${status}`;
  console.log(status1);
  // window.location.href = status1;
} else if(this.actionType === 'fund') {
  status = 2;
  let status2 = window.location.search + `&status=${status}`;
  console.log(status2);
  // window.location.href = status2;
}