JSFiddle - React, Tailwind, and code Playground

HTML

<input value="ABC"/>
<button id="doIt">go</button>

JavaScript

$(function() {
   $('#doIt').click(function() {
     var element = $('input[value="ABC"]');
     alert("Inputs with value ABC: " + element.length + "; value of the only input: " + $('input').val());
     return false;
   });
 });