function searchRoutes (form) { event.preventDefault() let $filter_form = $('.b_filter_routes form')[0]; let formData = getFormData(form); formData = getFormData($filter_form, formData); formData.append('owner_type', 'customer'); let request = new api({ url: '/routes/find_routes/', data: formData, data_type: 'formData', success: function (res) { if (!res.html) return; let $parent = $('.routes_search_results')[0] $parent.innerHTML = res.html; } }) request.ajaxRequest() }