I need to convert a date that comes as a string to Date and subtract one day from that date.
I did as follows:
dataConvertida = new Date("2018-07-03")
But when you do the conversion, it automatically discounts one day and needs to get the exact date.
Strange even as this happens. It should be something related to the time zone.
Anyway, would it be too much trouble if instead of "2018-07-03" you put "2018-07-03 00:00" ?
That's how it came out right (at least here)
There is the stepDown(qnt) method that reduces the number of days of the input type = date
<html>
<body>
<input type="date" id="data"> <!-- Pega a data -->
<button onclick="removerUmDia()">Remover um dia</button> <!-- Botão que ativa a função, esse aqui dependerá de sua aplicação, como sua pergunta não especifica bem a utilização não tenho como ajudar mais que isso -->
<script>
function removerUmDia() {
document.getElementById("data").stepDown(1); //Pega data e reduz 1 dia
}
</script>
</body>
</html>