Clears all previously rendered meta-data objects.
Renders meta-data objects on the page.
The heading node of the page fragment.
The tailing node of the page fragment.
The callback to clear rendered meta-data objects.
Renders meta-data objects on the page.
The callback to clear rendered meta-data objects.
Collection of the meta-data describing a part of the page.
The collection extends the built-in Array type for backward compatibility.