JSFiddle - React, Tailwind, and code Playground
HTML
<div class="menu-item burger"> <p class="item-name">Big Mac</p> </div>
<div class="menu-item burger"> <p class="item-name">Double Quarter Pounder</p> </div>
<ul class="basket" id="basket-mcdo">
<li>Order</li>
<li>Mcdo</li>
</ul>
JavaScript
$(".item-name").click(function add_basket(that) {
console.log($(that));
$(".basket").append("<li>"+that+"</li>");
});