The onMouseUp event handler specifies what should happen when the mouse button is pressed and then released within the Document object.
<html> <head> <script language="JavaScript1.2"> <!-- document.onmouseup = myMouseUpHandler; function myMouseUpHandler(){ alert("A mouse up event took place within the document!"); } --> </script> </head> <body> press the mouse button and then release it </body> </html>
