JavaScript Bug

var inStock = [ 'apples', 'eggs', 'milk', 'cookies', 'cheese', 'bread', 'lettuce', 'carrot', 'broccoli', 'pizza', 'potato', 'crackers', 'onion', 'tofu', 'frozen dinner', 'cucumber'];
var search;

function print(message) {
  document.write( '<p>' + message + '</p>');
}

while (true) {
  search = prompt("Search for a product in our store. Type 'list' to show all of the products and 'quit' to exit");
  search = search.toLowerCase();
  if ( search === 'quit') {
    break;
  } else if ( search === 'list' ); {
    print( inStock.join(', ') );
  } else {
    if ( inStock.indexOf( search ) > -1 ) {
      print( 'Yes, we have ' + search + ' in the store.');
    } else {
      print( search + ' is not in stock.');
    }
  }
}