getTraversalBefore
Gets the node before which this one is visited during traversal. A screen-reader must visit the content of this node before the content of the one it precedes.
Return
The succeeding node if such or null
.
Gets the node before which this one is visited during traversal. A screen-reader must visit the content of this node before the content of the one it precedes.
The succeeding node if such or null
.