JSFiddle - React, Tailwind, and code Playground

HTML

<input type="radio" name="vals" value="1" id="one" />
<input type="radio" name="vals" value="2" id="two" checked />
<input type="radio" name="vals" value="3" id="three" />

JavaScript

console.log($("#one:checked").val());
console.log($("#two:checked").val());
console.log($("#three:checked").val());