[WordPress] Manipulating WP Admin Bar Styles with Events

00-wp-admin-bar-styles.js

(function( $ ) {
	'use strict';

	/**
	 * Hide all of the messages when the option is include and restore the menu items'
	 * default hover state style.
	 */
	var hide_menu_notices = function() {

		// Setup references to the plugin menu item and all admin notices.
		var $admin_button = $( '#wp-admin-bar-toggle-admin-notices a' ),
			$messages     = $( '.notice, .warning, .error' );

		$admin_button.on( 'click', function( evt ) {
			evt.preventDefault();

			$messages.toggle( 'medium' );
			$( this ).trigger( 'blur' );
		});
	};

	$(function() {
    hide_admin_notices();
	});
})( jQuery );