JSFiddle - React, Tailwind, and code Playground

HTML

<div class='totalprice'>1.25</div>
<div class='totalprice'>0.25</div>
<div class='totalprice'>3.00</div>
<div class='totalprice'>2.50</div>
<div class='totalprice'>0.01</div>

JavaScript

var sum = 0.0;
$('.totalprice').each(function()
{
    sum += parseFloat($(this).text());
});
alert(sum);