onbeforecopy (HTML attribute)
DescriptionBefore the user carries out a copy function (for example, having selected text and right-clicked to select copy or pressed CTRL+C), this event fires, immediately before the
No fixed value - could be a call
to one or more defined functions or a simple
Non-standard event defined by Microsoft for use in Internet Explorer. May work in some other browsers but cannot be reliably used. Compatibility for this non-standard attribute not tested.
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