text: function contar() {
      let saida = document.getElementById('saida')
  
      saida.innerHTML += `<h2>Números pares de 1 até 10</h2>`
      let cont = 0
      while (cont <= 10) {
          saida.innerHTML += ` ${cont} &#x1F449;`
          cont = cont + 2 // Corresponde a cont = cont + 2
      }
      saida.innerHTML += ` &#x1F3C1;`
  }