</span> * Scrolls this element the specified direction. Does bounds checking to make sure the scroll is
* within this element's scrollable range.
* @param {String} direction Possible values are: "l" (or "left"), "r" (or "right"), "t" (or "top", or "up"), "b" (or "bottom", or "down").
</span> * Scrolls this element the specified direction. Does bounds checking to make sure the scroll is
* within this element's scrollable range.
* @param {String} direction Possible values are: "l" (or "left"), "r" (or "right"), "t" (or "top", or "up"), "b" (or "bottom", or "down").