The HTML marquee tag is used to scroll the portion of text written either horizontally or vertically in your web site page. You can also scroll image in similar manner.
By default, the direction is left. So, if you will not mention the direction, then direction of text will be from right to left. Example
<title>HTML marquee Tag</title>
<marquee>This is basic example of marquee</marquee>
<marquee direction="up">The direction of text will be from bottom to top.</marquee>