{# Sets a default value if not defined #}
{% set offset = offset ?? 0 %}

{% set entryQuery = craft.entries.offset(offset).limit(limit) %}
{% set entries = entryQuery.all() %}

{% for entry in entries %}
    <h2>{{ entry.title }}</h2>
{% endfor %}

{# If the total entry count is greater than the number that has been displayed #}
{% if entryQuery.count() > offset + entries|length %}
    {# Increments `offset` by the value of `limit` and swaps itself out on click #}
    <button sprig s-val:offset="{{ offset + limit }}" s-target="this" s-swap="outerHTML" class="btn submit">
        Load another
    </button>
{% endif %}