JSFiddle - React, Tailwind, and code Playground

by Amandeep Singh

HTML

<input name="Q1" type="radio" value="A" />A.
<input name="Q1" type="radio" value="B" />B. 
<input name="Q1" type="radio" value="C" />C. 
<input name="Q1" type="radio" value="D" />D.

<input name="Q2" type="radio" value="A" />A.
<input name="Q2" type="radio" value="B" />B. 
<input name="Q2" type="radio" value="C" />C. 
<input name="Q2" type="radio" value="D" />D.

JavaScript

$(document).ready(function() {
$("#radio_submit").click(function (e) {
var checked_Q1_radio = $('input:radio[name=Q1]:checked').val();
var checked_Q2_radio = $('input:radio[name=Q2]:checked').val();

if(checked_Q1_radio===undefined || checked_Q2_radio===undefined)
    {
        alert('Please answer all the questions');
    }else{
        alert('Question 1. - "' +checked_Q1_radio + '"'+'Question 2. - "'   
    +checked_Q2_radio + '"');
    }
   });
});