向上循環滾動

html

<ul id="marquee" style="height:120px;overflow: hidden;padding: 0px;">
        <li>
            <a href="[field:arcurl/]" target="_blank" title="[field:title/]">Lorem ipsum dolor sempore dus.</a>
            <span class="float-right">2018-7-27</span>
        </li>
        <li>
            <a href="[field:arcurl/]" target="_blank" title="[field:title/]">Lorem ipsum dolor sempore dus.</a>
            <span class="float-right">2018-7-27</span>
        </li>
        <li>
            <a href="[field:arcurl/]" target="_blank" title="[field:title/]">Lorem ipsum dolor sempore dus.</a>
            <span class="float-right">2018-7-27</span>
        </li>
        <li>
            <a href="[field:arcurl/]" target="_blank" title="[field:title/]">Lorem ipsum dolor sempore dus.</a>
            <span class="float-right">2018-7-27</span>
        </li>
        <li>
            <a href="[field:arcurl/]" target="_blank" title="[field:title/]">Lorem ipsum dolor sempore dus.</a>
            <span class="float-right">2018-7-27</span>
        </li>
    </ul>

js

<script type="text/javascript">
        window.onload = function() {
            setTimeout("startmarquee(100, 50, 0, 'marquee')", 5000);
        }

        function startmarquee(lh, speed, delay, id) {
            var t;
            var p = false;
            var o = document.getElementById(id);
            o.innerHTML += o.innerHTML + o.innerHTML + o.innerHTML;
            o.onmouseover = function() {
                p = true;
            }
            o.onmouseout = function() {
                p = false;
            }
            o.scrollTop = 0;

            function start() {
                t = setInterval(scrolling, speed);
                if(!p) o.scrollTop += 2;
            }

            function scrolling() {
                if(o.scrollTop % lh != 0) {
                    o.scrollTop += 2;
                    if(o.scrollTop >= o.scrollHeight / 2) o.scrollTop = 0;
                } else {
                    clearInterval(t);
                    setTimeout(start, delay);
                }
            }
            setTimeout(start, delay);
        }
    </script>