Edit fiddle - JSFiddle - React, Tailwind, and code Playground

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HTML

<input type="checkbox" class="check" value="3.99" id="one" checked>
<input type="checkbox" class="check" value="5.99" id="two">
<input type="checkbox" class="check" value="7.99" id="three">
<div id="total">0</div>

JavaScript

$('input:checkbox').on('change', function () {
    var sum = 0;


    $('.check').each(function () {

        if (this.checked) sum = sum + parseFloat($(this).val());

    });

    $('#total').text(sum)

}).trigger("change")

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JSFiddle - React, Tailwind, and code Playground

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JavaScript

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Use pre-released features

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