Drupal's default behavior is to redirect the user to the full display of a node after it has been saved.
If you want to stay in the edit form after saving, add this snippet to a custom module adjusting
the module namespace in the two functions.
## Acknowledgements
* [msnbc](http://www.msnbc.com)
* [Karen Stevenson](https://www.lullabot.com/who-we-are/karen-stevenson)
/**
* Implements hook_form_BASE_FORM_ID_alter().
*/
function mymodule_form_node_form_alter(&$form, &$form_state, $form_id) {
$form['actions']['submit']['#submit'][] = '_mymodule_node_submit_redirect';
}
/**
* Extra node form submit handler. Done this way to override the default.
*/
function _mymodule_node_submit_redirect($form, &$form_state) {
if (isset($_GET['destination'])) {
unset($_GET['destination']);
}
$form_state->setRedirect('entity.node.edit_form', ['node' => $form_state->getValue('nid')]);
}