JSFiddle - React, Tailwind, and code Playground

HTML

<Books>
<Book id="1">
 <title>Konsertpaleet</title>
 <author>Bergen</author>
 <summary>1000</summary>
 <summary>3000</summary>
 </Book>
<Book id="2">
 <title>MagnusBarfot</title>
 <author>Jack Repcheck</author>
 <summary>1200</summary>
 </Book>
<Book id="3">
 <title>Angels and Demons</title>
 <author>Dan Brown</author>
 <summary>Robert Langdon is summoned to a Swiss research facility to analyze a cryptic symbol seared into the chest of a murdered physicist.</summary>
 </Book>
<Book id="4">
 <title>Keep the Aspidistra Flying</title>
 <author>George Orwell</author>
 <summary>A poignant and ultimately hopeful look at class and society, Keep the Aspidistra Flying pays tribute to the stubborn virtues of ordinary people who keep the aspidistra flying.</summary>
 </Book>
 </Books>

CoffeeScript

$('#totalbtn').click(function() {
    var inputs = $('td.subtotal', '#stock-hotdogs').find('input');

    var total = 0;

    $(inputs).each(function() {
        total += parseFloat( $(this).val().replace(/[^\d\.]+/g, ''));
    });
    alert(total);
});