JSFiddle - React, Tailwind, and code Playground

by Deepu Yes

HTML

<label>120</label>
<label>250</label>
<label>342</label>
<label id="total"></label>

JavaScript

var labelvalues = $('label').map(function () {

     return $(this).text();

 }).get();
 var total = 0;
 for (var i = 0; i < labelvalues.length; i++) {
     total += labelvalues[i] << 0;
 }
 $("#total").text(total);