Converte data

18 para 2018

by Rapha Souza

HTML

<script src="//code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<link rel="stylesheet" href="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
<script src="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<script>
function convdatafinal(){
var data = document.getElementById("dataum").value;
var date = data.split('-').reverse()
date[0] = '20' + date[0];
date = date.join('/');

document.getElementById("dataumcopia").value = date;
//console.log(date);

}
</script>


<label>Data um</label>
<input type="date" class="form-control" id="dataum" name="dataum" value="10/10/18">
<br>
Converte a data 24/09/18 para 2018-09-24 para adicionar o resultado num value do tipo date
<br>
<label>Data Copia</label>
<input type="text" class="form-control" id="dataumcopia" name="dataumcopia" value="">

<input type="button" onclick="convdatafinal()" value="Botao">

CSS

.row {
  background: #f8f9fa;
  margin-top: 20px;
}

.col {
  border: solid 1px #6c757d;
  padding: 10px;
}