JSFiddle - React, Tailwind, and code Playground

HTML

<div name="taskNotificationsDiv">
    <div class="notificationCard">
        <span class="taskNotificationClose">x</span>
        Test
    </div>
    <hr>
    <div class="notificationCard">
        <span class="taskNotificationClose">x</span>
        Test
    </div>
    <hr>
    <div class="notificationCard">
        <span class="taskNotificationClose">x</span>
        Test
    </div>
    <hr>
</div>

JavaScript

$(".taskNotificationClose").click(function (){     
        
        this.parentNode.parentNode
        .removeChild(this.parentNode);       
       
        return false;
       });