JSFiddle - React, Tailwind, and code Playground
by ynternet
HTML
<input name="test1" value="1.77" type="hidden" />
<input name="test2" value="1.23" type="hidden" />
<div id="result">test = </div>
<br/>
<div >but should be 3 :-{ </div>
JavaScript
var a = parseInt($( "input[name='test1']").val(), 10);
var b = parseInt($( "input[name='test2']").val(), 10);
var c = ( a + b );
$('#result').append( c );