Ignoring mouse events on the scrollbar

Say you implemented a popup. In order to make the popup disappear when the user clicks on some other area of the browser, you would have to capture the mouse events. So far so good. However, if the popup goes beyond the visible area, then the user would use the mouse to scroll using the scrollbars. Unfortunately, by the time the scrollbar is adjusted and the mouse button is lifted, it triggers a onmouseup event which will close the popup. One way to prevent this is, checking the source element of the event being HTML element. Something like if(source.nodeName == “HTML”) return; where source is the source of the event.

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Filed under javascript, js/dhtml

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