Non-standard: This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
This method is the WebKit-proprietary implementation of the
One of the following:
Null, if x or y are negative, outside viewport, or there is no text entry node.
Document.caretPositionFromPoint page to view a live sample of this method.
BCD tables only load in the browser