A render array container to store render related information.
For example you can alter the array and attach some asset library or JS settings via the #attached key. This is the required way to add custom CSS or JS.
Type: array
See also
\Drupal\Core\Render\AttachmentsResponseProcessorInterface::processAttachments()
File
core/modules/views/src/ViewExecutable.php, line 395
Class
ViewExecutable Represents a view as a whole.
Namespace
Drupal\views
Code
public $element = [
'#attached' =&