JSFiddle - React, Tailwind, and code Playground

HTML

<form>
<h1>Question 1</h1>
<input type="radio" name="radio1" value="false" />
<input type="radio" name="radio1" value="true" /> 

<h1>Question 2</h1>
<input type="radio" name="radio2" value="false" />
<input type="radio" name="radio2" value="true" />
</form>
<a href="#">click</a>

JavaScript

$(document).ready(function(){
$("a").click(function(e){
   e.preventDefault();
    var all_answered = true;
    $("input:radio").each(function(){
        var name = $(this).attr("name");
        if($("input:radio[name="+name+"]:checked").length == 0)
        {
            all_answered = false;
        }
    });
    alert(all_answered);
})
});