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  • 用JavaScript實現上下文字滾動特效

    發表于:2007-06-21來源:作者:點擊數: 標簽:
    文字左右滾動的走馬燈效果是一種非常容易實現的特效,同樣的,文字上下滾動循環顯示也是一種非常常見而且非常容易實現的文字特效 。 具體實現方法如下: script language= java script var messages=new Array() messages[0]="font color=#8000FF歡迎光臨賽

       

      文字左右滾動的走馬燈效果是一種非常容易實現的特效,同樣的,文字上下滾動循環顯示也是一種非常常見而且非常容易實現的文字特效。

       具體實現方法如下:








    <script language=javascript>
    var messages=new Array()
    messages[0]="<font color=#8000FF>歡迎光臨賽迪網電腦應用頻道!</font></a>"
    messages[1]="<font color=#FB2500>這里有織網夢工廠</font></a>"
    messages[2]="<font color=#FF0066F>是網頁初學者的學習園地</font></a>"
    messages[3]="<font color=#FF9900>這里沖浪指南針</font></a>"
    messages[4]="<font color=#00CC33>是網絡愛好者天天必來充電的地方</font></a>"
    messages[5]="<font color=#000000>這里有…………有精彩的內容等著你</font></a>"



    var scrollerwidth=320
    var scrollerheight=100
    var scrollerbgcolor='#FFFFFF'
    //下面的代碼不要改動
    if (messages.length>1)
    i=2
    else
    i=0
    function move1(whichlayer){
    tlayer=eval(whichlayer)
    if (tlayer.top>0&&tlayer.top<=5){
    tlayer.top=0
    setTimeout("move1(tlayer)",3000)
    setTimeout("move2(document.main.document.second)",3000)
    return}
    if (tlayer.top>=tlayer.document.height*-1){
    tlayer.top-=5
    setTimeout("move1(tlayer)",100)}
    else{
    tlayer.top=scrollerheight
    tlayer.document.write(messages[i])
    tlayer.document.close()
    if (i==messages.length-1)
    i=0
    else
    i++}}
    function move2(whichlayer){
    tlayer2=eval(whichlayer)
    if (tlayer2.top>0&&tlayer2.top<=5){
    tlayer2.top=0
    setTimeout("move2(tlayer2)",3000)
    setTimeout("move1(document.main.document.first)",3000)
    return}
    if (tlayer2.top>=tlayer2.document.height*-1){
    tlayer2.top-=5
    setTimeout("move2(tlayer2)",100)}
    else{
    tlayer2.top=scrollerheight
    tlayer2.document.write(messages[i])
    tlayer2.document.close()
    if (i==messages.length-1)
    i=0
    else
    i++}}
    function move3(whichdiv){
    tdiv=eval(whichdiv)
    if (tdiv.style.pixelTop>0&&tdiv.style.pixelTop<=5){
    tdiv.style.pixelTop=0
    setTimeout("move3(tdiv)",3000)
    setTimeout("move4(second2)",3000)
    return}
    if (tdiv.style.pixelTop>=tdiv.offsetHeight*-1){
    tdiv.style.pixelTop-=5
    setTimeout("move3(tdiv)",100)}
    else{
    tdiv.style.pixelTop=scrollerheight
    tdiv.innerHTML=messages[i]
    if (i==messages.length-1)
    i=0
    else
    i++}}
    function move4(whichdiv){
    tdiv2=eval(whichdiv)
    if (tdiv2.style.pixelTop>0&&tdiv2.style.pixelTop<=5){
    tdiv2.style.pixelTop=0
    setTimeout("move4(tdiv2)",3000)
    setTimeout("move3(first2)",3000)
    return}
    if (tdiv2.style.pixelTop>=tdiv2.offsetHeight*-1){
    tdiv2.style.pixelTop-=5
    setTimeout("move4(second2)",100)}
    else{
    tdiv2.style.pixelTop=scrollerheight
    tdiv2.innerHTML=messages[i]
    if (i==messages.length-1)
    i=0
    else
    i++}}
    function startscroll(){
    if (document.all){
    move3(first2)
    second2.style.top=scrollerheight}
    else if (document.layers){
    move1(document.main.document.first)
    document.main.document.second.top=scrollerheight+5
    document.main.document.second.visibility='show'}}
    window.onload=startscroll
    </script>
    <ilayer id="main" width=&{scrollerwidth}; height=&{scrollerheight};
    bgcolor=&{scrollerbgcolor};>
    <layer id="first" left=0 top=1 width=&{scrollerwidth};>
    <script language="javascript1.2">
    if (document.layers)
    document.write(messages[0])
    </script>
    </layer>
    <layer id="second" left=0 top=0 width=&{scrollerwidth}; visibility=hide>
    <script language="javascript1.2">
    if (document.layers)
    document.write(messages[1])
    </script>
    </layer>
    </ilayer>
    <script language="javascript1.2">
    if (document.all){
    document.writeln('<span id="main2" style="position:relative;width:'+scrollerwidth+';height:'
    +scrollerheight+';overflow:hiden;background-color:'+scrollerbgcolor+'">')
    document.writeln('<div style="position:absolute;width:'+scrollerwidth+';height:'
    +scrollerheight+';clip:rect(0 '+scrollerwidth+' '
    +scrollerheight+' 0);left:0;top:0">')
    document.writeln('<div id="first2" style="position:absolute;width:'+scrollerwidth+';left:0;top:1;">')
    document.write(messages[0])
    document.writeln('</div>')
    document.writeln('<div id="second2" style="position:absolute;width:'+scrollerwidth+';left:0;top:0">')
    document.write(messages[1])
    document.writeln('</div>')
    document.writeln('</div>')
    document.writeln('</span>')
    }
    </script>


      (在需要添加該特效的網頁具體位置中粘貼如下代碼即可)


      注意:代碼中的“var scrollerwidth=320”表示循環框寬度,"var scrollerheigh=100"表示循環框高度,"font color=# "代表文字顏色,可以根據需要進行修改。

    原文轉自:http://www.kjueaiud.com

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