list.ejs

<%- include('header') -%>
    <div class="box" id="heading">
        <h1>
            <%=listTitle%>
        </h1>
    </div>

    <div class="box">
        <ul>

            <% newItems.forEach(function(item){ %>
                <form action="/delete" method="POST">
                    <div class="item">
                        <input type="checkbox" name="checkbox" value="<%=item._id%>" onChange="this.form.submit()">
                        <p>
                            <%=item.name%>
                        </p>
                    </div>
                    <input type="hidden" name="listName" value="<%= listTitle %>">
                </form>
                <% }) %>

        </ul>
        <form action="/" method="POST" class="item">
            <input type="text" name="toDo" placeholder="Enter ToDo" required autocomplete="off">
            <button type="submit" name="list" value="<%=listTitle%>">+</button>
        </form>
    </div>
    <%- include('footer') -%>