JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li class='buy'>
    <a>
        <button  value="GO">Add to Cart</button>
</a>
    </form>
</li>
</ul>

JavaScript

$(".buy > a > button").click(function(event) {
    if (!confirm("Leave?")) {
        event.preventDefault();
        return false;
    }
});