test.js

function successFunc(data, status) {

    $("#smartForm").empty();

    data.forEach(section => {
        var fieldset = $("<form><fieldset><legend>" + section.Name + "</legend></fieldset></form>").appendTo("#smartForm");

        section.FormFields.forEach(formField => {

            switch (formField.TypeName) {

                case "SmartTextFormField":
                    fieldset.append($("<div class='form-group'><label for='" + formField.Name + "'>" + formField.Name.toUpperCase() + "</label><input placeholder='Type in " + formField.Name + "' class='form-control' name='" + formField.Name + "' id='" + formField.Name + "' type='text' value='" + formField.Text + "' /></div>"));
                    break;

                case "SmartCheckboxField":

                    var checked = "";

                    if (formField.Checked === true)
                        checked = "checked";

                    fieldset.append($("<div class='form-check'><input " + checked + " class='form-check-input' name='" + formField.Name + "' id='" + formField.Name + "' type='checkbox' /><label class='form-check-label' for='" + formField.Name + "'>" + formField.Name.toUpperCase() + "</label></div>"));
                    break;

                case "SmartDateField":
                    fieldset.append($("<div class='form-group'><label for='" + formField.Name + "'>" + formField.Name.toUpperCase() + "</label><input class='form-control' name='" + formField.Name + "' id='" + formField.Name + "' type='date' value='" + formField.Date + "' /></div>"));
                    break;

                case "SmartDropdownField":

                    var items;

                    formField.Items.forEach(item => {

                        if (item === formField.Text)
                            items += "<option selected>" + item + "</option>"
                        else
                            items += "<option>" + item + "</option>"
                    });

                    fieldset.append($("<div class='form-group'><label for='" + formField.Name + "'>" + formField.Name.toUpperCase() + "</label><select class='form-control' name='" + formField.Name + "' id='" + formField.Name + "'>" + items + "</div></div>"));
                    break;

            }

        });

    });
}