Somar ano

by Rapha Souza

HTML

<!DOCTYPE html>
<html>
<body>
<input type="text" id="UM_FIM_DATABASE1">
<p>Click the button to display the array values after the split.</p>

<button onclick="myFunction()">Try it</button>

<input type="hidden" id="diaFinal">
<input type="hidden" id="mesFinal">
<input type="hidden" id="AnoFinal">


<input type="text" id="UM_FIM_DATABASE">
<script>
function myFunction() {
  var str = document.getElementById("UM_FIM_DATABASE1").value;
  var res = str.split("/");
  //document.getElementById("demo").innerHTML = res;
  var dia = res[0];
var mes = res[1];
var ano = res[2];

  document.getElementById("diaFinal").value = dia;
  document.getElementById("mesFinal").value = mes;
  document.getElementById("AnoFinal").value = ano;
  
//var resultado = ano.substring(2);

 
 var somaAno = parseInt(ano) + parseInt(1);
 
  var res4 = dia.concat("/" + mes + "/" + somaAno);
  document.getElementById("UM_FIM_DATABASE").value = res4;
  
}
</script>

</body>
</html>