问如何停止页面重载

EN

foreach($dbData as $post){
  <p id="likecount" class = "likecount"> </p>
     <p>
     <form method="post" id="liketest" class="redirect" >
     <button type="submit" id="like" name="like" value= "'.$post["id"].'">
         <i class="fa fa-heart"></i>
     </button>
     </form>
     </p>
}

<script type="text/javascript" src="https://code.jquery.com/jquery-3.4.1.min.js"></script>
    <script type="text/javascript">
        $(document).ready(function() {
            $('#like').focus();
            $('#like').keypress(function(event) {
                var key = (event.keyCode ? event.keyCode : event.which);
                if (key == 13) {
                    var info = $('#like').val();
                    $.ajax({
                        method: "POST",
                        url: "index.php",
                        data: {like: info},
                        success: function(status) {
                            $('#likecount').append(status);
                            $('#like').val('');
                        }
                    });
                };
            });
        });
    </script>
<?php
if (isset($_POST['like'])) {
    echo '<h1>'.$_POST['like'];
}
?>