JSFiddle - React, Tailwind, and code Playground

by Ovi Stof

HTML

<input type="number" name="camp1" id="camp1" value="1">
<input type="number" name="camp2" id="camp2" value="1">
    <div id="demo"></div>

JavaScript

document.getElementById("number").onkeyup = function () {
    var price = document.getElementById("number").value * 5;
    document.getElementById("demo").innerHTML = price;
}