JSFiddle - React, Tailwind, and code Playground

by alexg88

HTML

<form action="otrapagina" id="form1" method="post">
    <input type="text" id="textSum" />
    <input type="button" value="Sumar +1" id="plus1" />
</form>

JavaScript

function PlusButton(buttonId,textId,formId)
{
    var sum = 0;
    var max = 10;
    
    document.getElementById(textId).value = sum;
    
    document.getElementById(buttonId).onclick = function()
    {
        sum++;       
        document.getElementById(textId).value = sum;
        if (sum == max)
        {
             document.getElementById(formId).submit();
        }
    }
}

PlusButton("plus1","textSum","form1");