JSFiddle - React, Tailwind, and code Playground
HTML
Please pick your colour <br>
<input type = "radio" name="color" value="red">Red<br>
<input type = "radio" name="color" value="blue">blue<br>
<input type = "radio" name="color" value="green">green<br>
<input type = "radio" name="color" value="yellow">yellow<br>
JavaScript
$(document).ready(function(){
$('input[name=color]').on("click", function() {
var col = $('input[name=color]:checked').val();
alert(col);
});
});