behavior This property is used to specify the behavior of the scrolling marquee text. The values are: alternate - This value will cause the marquee text to scroll left until it reaches the left border, then scroll right until it reaches the right border, then go left, etc. scroll - This value will cause the marquee text to scroll until the text runs out the side, then start scrolling from the original side again. slide - This value will cause the marquee text to run until it hits a side, blank, then start again. syntax: document.all.marqueeID.behavior = "value" This Property is used to access attributes of the following: MARQUEE