text: function Contar() {
      var ini = window.document.getElementById('txti')
      var fim = window.document.getElementById('txtf')
      var pas = window.document.getElementById('txtp')
      var res = window.document.getElementById('res')
      if (ini.value.length == 0 || fim.value.length == 0 || pas.value.length == 0) {
          window.alert('[erro] Falta Dados!')
      } else {
          res.innerHTML ='Contando... <br>' 
          var i = Number(ini.value)
          var f = Number(fim.value)
          var p = Number(pas.value)
  
          if ( p <= 0 ) {
              window.alert('Acesso Invalido! Considerando [PASSO 1]')
              p = 1
          }
          if ( 1 < f ) {
              for( var c = i; c <= f; c += p)
              res.innerHTML += `${c} \u{1F449}`
          }
          else {
              for( var c = i; c >= f; c -= p){
                  res.innerHTML += `${c} \u{1F449}`
              }
          }
          res.innerHTML += `\u{1F3C1}`
      }
  }