JSFiddle - React, Tailwind, and code Playground

HTML

<input type='text' class='numero' value='1' />
<input type='text' class='numero' value='2' />
<input type='text' class='numero' value='3' />
<input type='text' class='numero' value='4' />
<input type='text' class='numero' value='5' />

JavaScript

function somaNumeros(){
  soma = 0;
	numeros = document.querySelectorAll('.numero')
  	.forEach((elemento) => {
    	soma += Number.parseFloat(elemento.value);
	});
  console.log("Soma: ", soma);
}

somaNumeros();