e.which === 13 && add(e.target)} >
todo
{#each todos.filter(t => !t.done) as todo (todo.id)}
mark(todo, true)}> {todo.description}
remove
{/each}
done
{#each todos.filter(t => t.done) as todo (todo.id)}
mark(todo, false)}> {todo.description}
remove
{/each}