Ttdfjt

I am Working on A magento 2 custom Module
i have a Form as well a Product Grid in my form so i created tabs using block but Whenever
i click on save button gives me Javascript Error

TypeError: $.data(...) is undefined

Here is my form
vendorNamemoduleNameBlockAdminhtmlBackgroundImageEditForm.php

namespace vendor nameModule nameBlockAdminhtmlBackgroundImageEdit;


class Form extends MagentoBackendBlockWidgetFormGeneric

 /**
 * Prepare form
 *
 * @return $this
 */
 public function _prepareForm()
 
 /** @var MagentoFrameworkDataForm $form */
 $form = $this->_formFactory->create(
 [
 'data' => [
 'id' => 'edit_form',
 'action' => $this->getData('action'),
 'method' => 'post',
 'enctype' => 'multipart/form-data'
 ]
 ]
 );
 $form->setUseContainer(true);
 $this->setForm($form);
 return parent::_prepareForm();
 

Here is my Edit page where i Defined my Button
vendorNamemoduleNameBlockAdminhtmlBackgroundImageEdit.php

namespace FvendorNamemoduleNameBlockAdminhtmlBackgroundImage;


class Edit extends MagentoBackendBlockWidgetFormContainer


 protected $_coreRegistry = null;


 public function __construct(
 MagentoBackendBlockWidgetContext $context,
 MagentoFrameworkRegistry $registry,
 array $data = []
 ) 
 $this->_coreRegistry = $registry;
 parent::__construct($context, $data);
 


 protected function _construct()
 
 $this->_objectId = 'backgroundimage_id';
 $this->_blockGroup = 'FME_BackgroundImage';
 $this->_controller = 'adminhtml_backgroundImage';
 parent::_construct();

 if ($this->_isAllowedAction('FME_BackgroundImage::save')) 
 $this->buttonList->update('save', 'label', __('Save Image'));
 $this->buttonList->add(
 'saveandcontinue',
 [
 'label' => __('Save and Continue Edit'),
 'class' => 'save',
 'data_attribute' => [
 'mage-init' => [
 'button' => ['event' => 'saveAndContinueEdit', 'target' => '#edit_form'],
 ],
 ]
 ],
 -100
 );
 else 
 $this->buttonList->remove('save');
 


 

 /**
 * Retrieve text for header element depending on loaded page
 *
 * @return string
 */
 public function getHeaderText()
 
 if ($this->_coreRegistry->registry('backgroundimage')->getId()) 
 return __(
 "Edit BackgroundImage '%1'",
 $this->escapeHtml($this->_coreRegistry->registry('backgroundimage')->getTitle())
 );
 else 
 return __('New BackgroundImage');
 
 

 /**
 * Check permission for passed action
 *
 * @param string $resourceId
 * @return bool
 */
 public function _isAllowedAction($resourceId)
 
 return $this->_authorization->isAllowed($resourceId);
 

 /**
 * Getter of url for "Save and Continue" button
 * tab_id will be replaced by desired by JS later
 *
 * @return string
 */
 public function _getSaveAndContinueUrl()
 
 return $this->getUrl(
 'backgroundimage/*/save',
 ['_current' => true, 'back' => 'edit', 'active_tab' => 'tab_id']
 );
 

 public function getFormActionUrl()
 
 if ($this->hasFormActionUrl()) 
 return $this->getData('form_action_url');
 

 return $this->getUrl('*/*/save');
 

 /**
 * Prepare layout
 *
 * @return MagentoFrameworkViewElementAbstractBlock
 */
 public function _prepareLayout()
 
 $this->_formScripts[] = "
 function toggleEditor() 
 if (tinyMCE.getInstanceById('page_content') == null) 
 tinyMCE.execCommand('mceAddControl', false, 'page_content');
 else 
 tinyMCE.execCommand('mceRemoveControl', false, 'page_content');
 
 ;
 ";
 return parent::_prepareLayout();