JSFiddle - React, Tailwind, and code Playground

HTML

<div class="quick-info"></div>

CSS

.quick-info {
   width: 100px;
   height: 100px;
   background-color: red    

}

JavaScript

$(document).on("click", function(e) {
   if (!$(e.target).hasClass("quick-info")) {
       $(".quick-info").hide();
   }
});