This is a collection of all tbody elements contained within a single table element. Collection members are sorted in source code order.

Returns the number of elements in the collection. It is 1 in most case, event there is no <tbody> tag.

Returns a single tBody object or collection of tBody objects corresponding to the element matching the index value (or, optionally in IE, the

Returns a single tBody object or collection of tBody objects corresponding to the element matching the parameter string value.

Returns a collection of tBody objects (among all objects nested within the current collection) whose tags match the tagName parameter.

The urns() method of tBodies is described in chapter: javascript all urns( )