JSFiddle - React, Tailwind, and code Playground
by russau
HTML
<input type="radio" name="num" value="1"> 1
<input type="radio" name="num" value="2"> 2
<input type="radio" name="num" value="3"> 3
<button id='x'>test</button>
JavaScript
$('#x').click(function(e) {
e.preventDefault();
var num = $('input[name=num]:checked').val();
alert(num );
});