umap/youmap/templates/chickpea/map_form.html

<h3>Create your map now!</h3>
<form action="{{ action_url }}" method="post" id="map_edit">
    {{ form.non_field_errors }}
    {% csrf_token %}
    {{ form.name }}
    {% for error in form.name.errors %}
        <small class="error">{{ error|escape }}</small>
    {% endfor %}
    {{ form.description }}
    {{ form.description.errors }}
    {{ form.licence }}
    {{ form.licence.errors }}
    {{ form.zoom }}
    {{ form.center }}
    <input type="submit" class="button" />
</form>

<script type="text/javascript">
    $("#map_edit").on("submit", function (e) {
        e.preventDefault();
        L.Util.Xhr.submit_form("map_edit", {
            'callback': function (data) {
                if (data.redirect) {
                    window.location = data.redirect;
                }
                else {
                    $("#map_edit").parent().empty().append(data.html);
                }                
            },
            'dataType': 'json'
        });
    });
</script>