《网页制作案例》网页设计与制作程序代码例4

【例4-1】网页中文字上下滚动循环显示。 var messages=new Array messages[O\="欢迎使用本书学习 messages\[l]="这里有织网梦工厂是网页初学者的最佳选择 messages\3]=" var scrollerwidth=320 var scrollerheight=100 var scrollerbgcolor=#FFFFFF 1=2 function movel(whichlayer)i thayer=eval(whichlayer) if (layer top>0&&layer, top=layer document. height*-1)( setTimeout("movel(tlayer)", 100); thayer. document. write( messages\) thayer. document. close if (i=messages. length-1) else i++}} function move2(whichlayer)i thayer 2=eval( whichlayer) if(layer 2. top>0&&layer 2. top=layer 2. document. height*-1)(

【例 4-1】网页中文字上下滚动循环显示。 文字上下滚动循环显示 var messages=new Array() messages\[0\]="欢迎使用本书学习" messages\[1\]="这里有织网梦工厂" messages\[2\]="是网页初学者的最佳选择" messages\[3\]="这里有…………有精彩的内容等着你" var scrollerwidth=320 var scrollerheight=100 var scrollerbgcolor=′#FFFFFF′ if (messages.length>1) i=2 else i=0 function move1(whichlayer){ tlayer=eval(whichlayer) if (tlayer.top>0&&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=tlayer2.document.height*-1){

tlayer2. top-= set Timeout("move2(tlayer2)",100)H thayer 2 top=scrollerheight thayer 2document. write(messages)) thayer 2document. close if(i=messages. length-1) else function move3(whichdiv) tdiv=eval( whichdiv) if (tdiv style. pixel Top>0&&tdiv style. pixel Top=tdiv offset Height*-1)( tdiv style. pixel Top-=5 set Timeout("move3(tdiv)",100); tdiv style. pixel Top=scrollerheight tdiv innerHTML=messages i if(==messages. length-1) else function move 4(whichdiv)i tdiv2=eval( whichdiv if (tdiv 2 style pixel Top>0&&tdiv2. style. pixelTop=tdiv2 offsetHeight*-1)i tdiv2. style. pixelTop-=5 set Timeout("move 4(second2)",100)) tdiv2 style pixel Top=scrollerheight tdiv2. innerHTML=messages\N if(i=messages. length-1) else H+}}

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=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=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 startscrollot move3(first2) second style. top=scrollerheight else if (document layers)( movel(document. main document first) document. main document. second top=scrollerheight+5 document. main document. second visibility=show); window onload=startscroll if(document layers) document. write( messages[O\D ) document writeln() document writeln(') document writeIn( ) document writeln() script>

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 if (document.layers) document.write(messages\[0\]) if (document.layers) document.write(messages\[1\]) if (document.all){ document.writeln('') document.writeln('') document.writeln('') document.write(messages\[0\]) document.writeln('') document.writeln('') document.write(messages\[1\]) document.writeln('') document.writeln('') document.writeln('') }

body bgcolor="#FFFFFF"text="#000000">