Add days to current date

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I need to get the current date and add days according to the selected 

function calcular(){
    var valor1 = parseInt(document.getElementById('dias1').value);
    var valor2 = parseInt(document.getElementById('dias2').value);
    var valor3 = parseInt(document.getElementById('dias3').value);
    document.getElementById('diassomado').value = valor1 + valor2 + valor3;
}	
	


	function RetornaDataHoraAtual(){
  var dNow = new Date();
  var localdate = dNow.getDate() + '/' + (dNow.getMonth()+1) + '/' + dNow.getFullYear();
		document.getElementById('dataatual').value = localdate;
		
		return localdate;
		
}
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Documento sem título</title>
</head>

<body>

<div class="row">
	<label>Dias 1</label>
	<select id="dias1" >
		
		<option value="">Selecione</option>
		<option value="5">5</option>
		<option value="10">10</option>
		
		
		
	</select>
	<label>Dias 2</label>
		<select id="dias2" >
		
		<option value="">Selecione</option>
		<option value="5">5</option>
		<option value="20">20</option>
		
		
		
	</select>
	
	<label>Dias 3</label>
		<select id="dias3" >
		
		<option value="">Selecione</option>
		<option value="5">5</option>
		<option value="30">30</option>
		
		
		
	</select>
	</div>
	
	<div class="row">
	<label>Dias</label>
	<input type="text" id="diassomado" ><br>
	
	<label>Data Atual</label>
	<input type="text" id="dataatual" ><br>
	
	<label>Data Somada</label>
	<input type="text" id="datasomada" >
	
</div>

<input type="button" onClick="calcular(), RetornaDataHoraAtual()" value="Gerar">


</body>
</html>

Example 5 days current date 05/10/2018 Result 05/15/2018

    
asked by anonymous 18.05.2018 / 21:58

1 answer

1

Date.prototype.addDays = function(days) {
  var dat = new Date(this.valueOf());
  dat.setDate(dat.getDate() + days);
  return dat;
}

var dat = new Date();

alert(dat.addDays(5))
    
18.05.2018 / 22:05
Activity execution mode General Game in Java