The script query-monitor.js calls the jQuery .focus() method, which is deprecated. This results in the following message being written to the browser console (you may need SCRIPT_DEBUG defined as true in your wp-config.php file):

JQMIGRATE: jQuery.fn.focus() event shorthand is deprecated

According to the jQuery .focus() documentation, the fix is simple:

Instead of .focus(), use .trigger( "focus" ).