WP_Customize_Nav_Menu_Locations_Control::render_content()
Method: Don’t render the control’s content – it uses a JS template instead.
Source: wp-includes/customize/class-wp-customize-nav-menu-locations-control.php:32
WP_Customize_Nav_Menu_Locations_Control::content_template()
Method: JS/Underscore template for the control UI.
Source: wp-includes/customize/class-wp-customize-nav-menu-locations-control.php:39
WP_Customize_Nav_Menu_Locations_Control
Class: Customize Nav Menu Locations Control Class.
Source: wp-includes/customize/class-wp-customize-nav-menu-locations-control.php:17