JSFiddle - React, Tailwind, and code Playground

HTML

<input type='radio' name='XIGender' value='Male' id="XImale"/>Male
<input type='radio' name='XIGender' value='Female' id="XIfemale"/>Female
<a id="XISubmit" href="#" >Click </a>

JavaScript

$(document).ready(function() {
    $("#XISubmit").click(function () {
        if($('input[name=XIGender]:checked').length<=0){
             alert("Please select the gender");
             return false;
         } 
        $( "#XIForm" ).submit();        
     });
});