const btnFilters = document.querySelectorAll('.btn')
btnFilters.forEach(btn => filterBook(btn));
function filterBook(btn){
  btn.addEventListener('click', (e) => {
    if (e.target.id === "btnOrdenarPorPreco"){
      orderBooks()
    }else {
    const filtered = Books.filter((book)=> book.categoria === e.target.value)
    createBooks(filtered)
  }
  })
}
function orderBooks() {
  const ordened = Books.sort((a, b) => a.preco - b.preco);
  createBooks(ordened)
} 
            