web前端(001_滾動效果)

示例:

marquee

<!DOCTYPE html>
<html>
    <head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
    <title>滾動效果</title>
        <style type="text/css">
            div {
                border: 1px solid #E5E5E5;
            }

            ul {
                height: 200px;
                overflow: hidden;
            }

            li {
                line-height: 30px;
            }
        </style>
    </head>
    <body>
        <div style="height: 200px; overflow: hidden">
            <ul id="marquee" style="height: 170px">
                <li><a>測試01</a></li>
                <li><a>測試02</a></li>
                <li><a>測試03</a></li>
                <li><a>測試04</a></li>
                <li><a>測試05</a></li>
                <li><a>測試06</a></li>
                <li><a>測試07</a></li>
                <li><a>測試08</a></li>
                <li><a>測試09</a></li>
                <li><a>測試10</a></li>
            </ul>
        </div>
        <marquee>This text will scroll from right to left.</marquee>
        <script type="text/javascript">
            window.onload = function() {
                setTimeout(startmarquee(34, 50, 0, "marquee"), 1000);
            }
            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>
    </body>
</html>
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