JavaScript add a way to scroll through a form with a scroll bar _javascript tips

The example in this article tells you how to add a form to a scroll bar in JavaScript. Share to everyone for your reference, specific as follows:

Two ways to achieve this:

First type:

<script type=/"text/javascript/" >
function scrollimg () {
 var posx,posy;
 if (window.innerheight) {
 posx = Window.pagexoffset;
 Posy = Window.pageyoffset;
 }
 else if (document.documentelement && document.documentElement.scrollTop) {
 posx = Document.documentElement.scrollLeft;
 Posy = Document.documentElement.scrollTop;
 }
 else if (document.body) {
 posx = document.body.scrollLeft;
 Posy = Document.body.scrollTop;
 }
 var Ad=document.getelementbyid (/"ad/");
Ad.style.top= (posy+500) +/"px/";
Ad.style.left= (posx+500) +/"px/";
ad.style.left=/"90%/";
 settimeout (/"scrollimg ()/");
</script>
<div id=/"ad/" style=/"Position:absolute;background: #606060; width:100px;height:100px; border:1px dotted #000; line-height:100px;text-align:center; left:103px; top:911px;/"> This advertisement for lease </div>
<script type=/" text/javascript/">
scrollimg ();
</script>

The second type:

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I hope this article will help you with JavaScript programming.