JSFiddle - React, Tailwind, and code Playground
HTML
<div id="rates">
<input type="radio" class="demo" id="r1" name="rate" value="Fixed Rate"> Fixed Rate
<input type="radio" class= "demo"id="r2" name="rate" value="Variable Rate"> Variable Rate
<input type="radio" class="demo" id="r3" name="rate" value="Multi Rate"> Multi Rate
</div>
JavaScript
console.log($('.demo:selected').val());