When a ticker is added by a Gutenberg block, it is initially empty. This can be detected by checking the "last" flag for 0 value. If found, the ticker is now updated immediately by the AJAX function and not waiting for the poll interval to trigger.
When a ticker is added by a Gutenberg block, it is initially empty. This can be detected by checking the "last" flag for 0 value. If found, the ticker is now updated immediately by the AJAX function and not waiting for the poll interval to trigger.