Ajax function is not working on WordPress

Try like this
Main HTML:

<form class="home_footer" method="post" id="home_conct_form" action="">
    <input type="text" name="fname"  class="txt" />
    <input type="text" name="lname"  class="txt" />
    <input type="button" name="home_submit" id="home_submit"  value="Get In Touch"/>
</form>

Add on same page:

<script>
$('#home_submit').click(function(){ 
  var formData = $("#home_conct_form").serialize()      
  $.ajax({
     type: 'POST',
     url: '<?php echo home_url("https://wordpress.stackexchange.com/"); ?>wp-admin/admin-ajax.php?action=footerFrm',
     data: formData,
     beforeSend: function(){
         $('.progloader').show();
         $('#home_submit').hide();
     },
     success:function(data) {
        console.log(data);
     }
 });       
});
</script>

Add blow code in Function.php

add_action('wp_ajax_footerFrm' , 'footerFrm');
add_action('wp_ajax_nopriv_footerFrm' , 'footerFrm');
function footerFrm() {
   print_r($_POST);
   die();
}