JSFiddle - React, Tailwind, and code Playground

HTML

<ul id = "storage" style = "display: none;"></ul>

JavaScript

var storage = document.querySelector("#storage");

storage.set = function (id, value) {
    var item = this.querySelector("." + id) || document.createElement("li");
    
    item.classList.add("id");
    item.textContent = value;
    this.appendChild(item);
};

storage.get = function (id) {
    return this.querySelector("." + id).textContent;
};

storage.remove = function (id) {
    this.removeChild(this.querySelector("." + id));
};