How to use

genres

function

in

Array

validate() {
  if (!this.title.length) {
   throw new ValidationError("Invalid title");
  }
  if (!Movie.genres.includes(this.genre)) {
   throw new ValidationError("Invalid genre");
  }
  if (this.rating < 1 || this.rating > 5) {
   throw new ValidationError("Invalid rating");
  }
 }

</p>
<div>
 {data.genres && data.genres.length &&
 <ul>{data.genres.map(genre => (<li className='genre' key={genre.id}>{genre.name}</li>))}</ul>