<div id= "Marquees" > <!--these are the contents of the caption, you can define--> <a href=http://www.jzread.com/web/js/2010-01-08/ 376.html> scrolling text link 1</a> <br> <a href=http://www.jzread.com/web/js/2010-01-08/376.html> Scrolling text links 2</a> <br> <a href=http://www.jzread.com/web/js/2010-01-08/376.html> scrolling text links 3</a <br> <a href=http://www.jzread.com/web/js/2010-01-08/376.html> scrolling text link 4</a> <br > <!--subtitles end of </div> <!--The following are JavaScript code <script language= "JavaScript" > <!-- marqueesheight=200//content area height Stopscroll=false//This variable controls whether to stop scrolling with (marquees) { Nowrap=true ; The content area of this table does not wrap style.width=0;//So we can set its width to 0 because it will be propped up Style.height=marqueesheight style.overflowy= Hidden "; Scroll bars are not visible Onmouseover=new function ("stopscroll=true");//mouse over, stop scrolling onmouseout=new function ("Stopscroll=false "); Mouse left, start scrolling } //At this point, the height of the content area is unreadable. The following outputs an invisible layer "templayer", which is later copied to theInside: document.write (' <div id= "Templayer" style= "Position:absolute;z-index:1;visibility:hidden" ></div > '); Function init () {//Initialize scrolling content //multiple copies of the original content to "Templayer" until the height of "templayer" is greater than the content area height: While Templayer.offsetheight <marqueesheight) { templayer.innerhtml+=marquees.innerhtml }///copy "Templayer" content "twice times" back to the original content area: marquees.innerhtml=templayer.innerhtml+templayer.innerhtml; //sets a continuous timeout, invoking the Scrollup () function to drive the scroll bar: SetInterval ("Scrollup ()",), } Document.body.onload=init; Pretop=0//This variable is used to determine if the scroll bar has reached its end function Scrollup () {//scroll bar's driver if (stopscroll==true) return; Stopscroll "True, stop scrolling pretop=marquees.scrolltop//record scroll bar position before scrolling marquees.scrolltop+=1//Scroll down one pixel // If the scroll bar does not move, scroll up to the same position as the current screen //not only that, but also scroll down one pixel (+1): if (pretop==marquees.scrolltop) { marquees.scrolltop=templayer.offsetheight-marqueesheight+1; }
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