Source

File: wp-admin/includes/class-wp-internal-pointers.php

private static function print_js( $pointer_id, $selector, $args ) {
		if ( empty( $pointer_id ) || empty( $selector ) || empty( $args ) || empty( $args['content'] ) ) {
			return;
		}

		?>
		<script type="text/javascript">
		(function($){
			var options = <?php echo wp_json_encode( $args ); ?>, setup;

			if ( ! options )
				return;

			options = $.extend( options, {
				close: function() {
					$.post( ajaxurl, {
						pointer: '<?php echo $pointer_id; ?>',
						action: 'dismiss-wp-pointer'
					});
				}
			});

			setup = function() {
				$('<?php echo $selector; ?>').first().pointer( options ).pointer('open');
			};

			if ( options.position && options.position.defer_loading )
				$(window).bind( 'load.wp-pointers', setup );
			else
				$(document).ready( setup );

		})( jQuery );
		</script>
		<?php
	}