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
A horizontal position within the current viewport.
A vertical position within the current viewport.
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.
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