Javascript Reference
Table Elements > TH
javascript TH focus( )
Gives focus from the current TH object, at which time the TH object's onfocus event fires.
javascript TH clientHeight, clientWidth
these provide the height and width of the TH element's content
javascript TH blur( )
Removes focus from the current TH object, at which time the TH object's onblur event fires. Note that the range of elements capable of focus and blur

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