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我有這個腳本,從底部到頂部垂直滾動圖像,除了一件事外,它工作得很好。我希望這個滾動是無限的,不要在每次框架爲空時重新啓動。換句話說,我不希望它在任何時候都是空的。Javascript圖像滾輪,如何保持滾動而不重新啓動?
你們認爲這是可能的嗎?下面的代碼(我知道劇本是很可怕,但我試過這麼多,這是唯一一個沒有的伎倆對我來說):
<BODY BGCOLOR="#FFFFFF" TEXT="#000000" onMouseover="scrollspeed=(current/2)" onMouseout="scrollspeed=current" OnLoad="NewsScrollStart();">
<div id="NewsDiv">
<table cellpadding="5" cellspacing="0" border="0" width="200" align="center"><tr><td>
<p>
<!-- CLIENTS IMAGES--><img src="images/clients/tango.jpg" "width="100" height="37" align="middle" border="0"></p>
<p><br>
<br>
<a target="newwindow" href="http://www.adbid.se" onClick="popup"><img src="images/clients/adbid_clients.png" border="0" align="middle"></a></p>
<p> </p>
<p><a target="newwindow" href="http://www.sanomadigital.nl"><img src="images/clients/logo_sanoma_digital.png" border="0" align="middle"></a></p>
<p><a target="newwindow" href="http://www.sanomadigital.nl"><br />
</a>
<a target="newwindow" href="http://www.prisabs.com"><img src="images/clients/logo-prisa-bs-home.jpg" border="0" align="middle"></a></p>
<p><a target="newwindow" href="http://www.prisabs.com"><br />
</a>
<a target="newwindow" href="http://www.sanoma.fi"><img src="images/clients/sanoma_logo.gif" border="0" align="middle"></a></p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<table width="101" border="0">
<tr>
<td width="112" align="center"><img src="images/clients/echo.jpg" border="0" width="91" height="41"></td>
</tr>
</table>
<p><br>
<br>
<a target="newwindow" href="http://www.familjeapoteket.se"><img src="images/clients/familjeapoteket_clients.jpg" border="0" align="middle"></a></p>
<p><br />
<a target="newwindow" href="http://www.hertz.se"><img src="images/clients/hertz_clients.jpg" border="0" align="middle"></a></p>
<p><a target="newwindow" href="http://www.hertz.se"><br />
</a>
<a target="newwindow" href="http://www.gemoney.no"><img src="images/clients/gemoney_clients.jpg" border="0" align="middle"></a></p>
<p><a target="newwindow" href="http://www.gemoney.no"><br />
</a>
<a target="newwindow" href="http://www.vikingline.se"><img src="images/clients/vikingline_clients.jpg" border="0" align="middle"></a></p>
<p><a target="newwindow" href="http://www.vikingline.se"><br />
</a>
<a target="newwindow" href="http://www.ebookers.be"><img src="images/clients/ebookers_clients.gif "border="0" align="middle"></a></p>
<p><a target="newwindow" href="http://www.ebookers.be"><br />
</a>
<a target="newwindow" href="http://www.ticket.se"><img src="images/clients/ticket_clients.gif" border="0" align="middle"><br />
</a></p>
</a></p>
</td></tr></table>
</div>
<script language="JavaScript" type="text/javascript">
var scrollspeed = "2" // SET SCROLLER SPEED 1 = SLOWEST
var speedjump = "40" // ADJUST SCROLL JUMPING = RANGE 20 TO 40
var startdelay = "0" // START SCROLLING DELAY IN SECONDS
var nextdelay = "0" // SECOND SCROLL DELAY IN SECONDS 0 = QUICKEST
var topspace = "10px" // TOP SPACING FIRST TIME SCROLLING
var frameheight = "500" // IF YOU RESIZE THE WINDOW EDIT THIS HEIGHT TO MATCH
current = (scrollspeed)
function HeightData(){
AreaHeight=dataobj.offsetHeight
if (AreaHeight==0){
setTimeout("HeightData()",(startdelay * 1000))
}
else {
ScrollNewsDiv()
}}
function NewsScrollStart(){
dataobj=document.all? document.all.NewsDiv : document.getElementById("NewsDiv")
dataobj.style.top=topspace
setTimeout("HeightData()",(startdelay * 1000))
}
function ScrollNewsDiv(){
dataobj.style.top=parseInt(dataobj.style.top)-(scrollspeed)
if (parseInt(dataobj.style.top)<AreaHeight*(-1)) {
dataobj.style.top=frameheight
setTimeout("ScrollNewsDiv()",(nextdelay * 1000))
}
else {
setTimeout("ScrollNewsDiv()",speedjump)
}}
</script>
感謝你提前傢伙!
@Justin Pearce:我嘗試過,但不幸的是它沒有改變任何東西。我不知道爲什麼,但我試着把圖片的副本放在原來的圖片下面。不知何故,它根本不起作用:/ – MstrQKN 2011-04-27 20:33:52
賈斯汀走上正軌。這就是我如何在http://www.eze2go.com/000001上進行「連續」滾動 - 唯一的區別是技術。如果將兩個元素嵌套兩倍於其他元素的寬度,然後對它們進行樣式設置,以便顯示外部元素的滾動條,則只需隱藏滾動條,併爲外部元素scrollTop或scrollLeft屬性設置動畫。如果你看一下http://www.eze2go.com/js/scroller.js,你可以看到它測試的是,增加滾動條的位置是否實際上做了任何事情,如果沒有效果,那麼重新開始。大部分的痛苦都在CSS中。 – 2011-04-27 21:52:49
@Lee Kowalkowski:你的劇本看起來很有前途。我試圖用你的腳本使用我的圖像,但它不會啓動。我所做的只是將ScrollLeft更改爲ScrollTop,但它並沒有成功。 以下是我在css/html之後編寫的內容: – MstrQKN 2011-04-27 22:12:21