JSFiddle - React, Tailwind, and code Playground

HTML

<div class="TT">ToolTip</div>

JavaScript

function getCookie(c_name) {
    var i, x, y, ARRcookies = document.cookie.split(";");
    for (i = 0; i < ARRcookies.length; i++) {
        x = ARRcookies[i].substr(0, ARRcookies[i].indexOf("="));
        y = ARRcookies[i].substr(ARRcookies[i].indexOf("=") + 1);
        x = x.replace(/^\s+|\s+$/g, "");
        if (x == c_name) {
            return unescape(y);
        }
    }
}

function setCookie(c_name, value, exdays) {
    var exdate = new Date();
    exdate.setDate(exdate.getDate() + exdays);
    var c_value = escape(value) + ((exdays == null) ? "" : "; expires=" + exdate.toUTCString());
    document.cookie = c_name + "=" + c_value;
}

function checkCookie() {
    var status = getCookie("showToolTip");
    if (status != null && status == 1) {
        $('.TT').hide();
    } else {
        setCookie("showToolTip", "1", 365);
    }
}

$(function() {
    checkCookie();
});