JSFiddle - React, Tailwind, and code Playground

HTML

<input type='checkbox' id="withoutValueTag" />
<input type='checkbox' id="withValueTag" value="Test" />
<span id="result"></span>

JavaScript

$(document).ready(function () {
    var withoutValueTag = $("#withoutValueTag").val();
    var withValueTag = $("#withValueTag").val();
    $("#result").text("withoutValueTag: " + withoutValueTag + ", withValueTag: " + withValueTag);
});