text: /**
   * 
   */
   
  const addBtn = document.querySelector('#add-btn');
  const seatsInput = document.querySelector('#totalSeats');
  
  seatsInput.addEventListener('input', () => {
     	let noOfSeats = parseInt(seatsInput.value);
      if(noOfSeats<=19){
      	printError("seat_error", `Seats should be greater than or equal to 20`);
      	addBtn.disabled = true;
      } else{
  		addBtn.disabled = false;
  		printSuccess("seat_error");
  	}
  });
  
  
  
  function printError(elemId, hintMsg){
  	document.getElementById(elemId).innerHTML = hintMsg;
  	document.getElementById(elemId).parentElement.classList.add('text-danger');
  }
  function printSuccess(elemId) {
      document.getElementById(elemId).innerHTML = '';
      document.getElementById(elemId).parentElement.classList.remove('text-danger');
    }