This DataTable polls for data from its DataSource every 5 seconds. Due to browser limitations, implementers should use this feature to replace existing data, rather than continuously add data to the page.
Note: You are viewing this example in debug mode with logging enabled. This can significantly slow performance.
All YUI 2.x users should review the YUI 2.8.2 security bulletin, which discusses a vulnerability present in YUI 2.4.0-2.8.1.