JSFiddle - React, Tailwind, and code Playground

HTML

<ul id="saved-list">
</ul>

JavaScript

var all_cookies = [1, 2, 3, 4, 5, 6];

for (var i = 0; i < all_cookies.length; i++) {
    var route_num = all_cookies[i];
    var list_item = "<li><a href='#saved-route'>";
    list_item += "<p>" + route_num + "</p></a></li>";
    
    var newLi = $(list_item);
    newLi.data('routenum', route_num);
    newLi.bind('click', function() {
        alert($(this).data('routenum'));
    });
    
    $('#saved-list').append(newLi);
}