JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <input value=1>
    <input value=4>
    <input value=1>
</div>
<br>
result: <span></span>

JavaScript

var sum = 0;
$("div :input").each(function(){
  sum += parseInt(this.value);
});
$('span').html(sum);