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9 按次序在同一位置变换图象 <html> <head> <title>按次序在同一位置变换图象（适用于4.0版本的浏览器）</title> <SCRIPT LANGUAGE="javascript"> var totalLayersInLoop=3; //上面这句说明总共定义三个图象层，在下面的语句中通过j avascript前后显示不同的层以达到图象变换的效果 var layerNumShowing=1; //初始显示第一层 function init(){ if (navigator.appName == "Netscape") { layerstyleRef="layer."; layerRef="document.layers"; styleSwitch=""; }else{ layerstyleRef="layer.style."; layerRef="document.all"; styleSwitch=".style"; } } //以上这段使script适合于不同的浏览器解释 function showPreviousLayer(){ var layerNumToShow=layerNumShowing-1; if (layerNumToShow < 1){layerNumToShow=totalLayersInLoop;} hideLayer(eval('"layer' + layerNumShowing+'"')); showLayer(eval('"layer' + layerNumToShow+'"')); layerNumShowing=layerNumToShow; } //以上这段定义一个function，使图象位置向前一层显示 function showNextLayer(){ var layerNumToShow=layerNumShowing+1; if (layerNumToShow > totalLayersInLoop){layerNumToShow=1;} hideLayer(eval('"layer' + layerNumShowing+'"')); showLayer(eval('"layer' + layerNumToShow+'"')); layerNumShowing=layerNumToShow; } //以上这段定义一个function，使图象位置向后一层显示 function showLayer(layerName){ eval(layerRef+'<"'+layerName+'">' +styleSwitch+'.visibility="visible"'); } //定义显示图层的function function hideLayer(layerName){ eval(layerRef+'<"'+layerName+'">' +styleSwitch+'.visibility="hidden"'); } //定义隐藏图层的function </SCRIPT> <style TYPE="text/css"> <!-- 定义图层一的位置 --> #layer1 {position: absolute; z-index: 10; visibility: visible; left: 150px; top: 80px;} <!-- 定义图层二的位置 --> #layer2 {position: absolute; z-index: 20; visibility: hidden; left: 150px; top: 80px;} <!-- 定义图层三的位置 --> #layer3 {position: absolute; z-index: 30; visibility: hidden; left: 150px; top: 80px;} <!-- 定义控制层的位置 --> #loopControls {position: absolute; z-index: 40; visibility: visible; left: 20px; top: 20px;} </style> </head> <body bgcolor="#000000" link="orange" vlink="tan" text="white" onLoad="init()"> <!--置入图层--> <!--layer 1--> <div id="layer1" > <IMG SRC="layer1.jpg" WIDTH=100 HEIGHT=50 BORDER=0><BR> 这是图层一 </div> <!--layer 2--> <div id="layer2" > <IMG SRC="layer2.jpg" WIDTH=100 HEIGHT=50 BORDER=0><BR> 这是图层二 </div> <!--layer 3--> <div id="layer3" > <IMG SRC="layer3.jpg" WIDTH=100 HEIGHT=50 BORDER=0><BR> 这是图层三 </div> <!--置入控制区位置--> <div id="loopControls" > <a href="javascript:showNextLayer()">向后浏览</a> <BR><br> <a href="javascript:showPreviousLayer()">向前浏览</a> <BR> </div> </body> </html> 主持人：Arky：mailto:arky@188.net 彩虹特效 近来在网上见到一个非常棒的javascrip特效，用来创建彩虹字，其效果完全可以和javaapplet媲美，而且解释速度更快，我将源代码附录在下面： <html> <head> <title>用javascrip创建的彩虹字</title> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=gb2312"> <script language="javascript"> <!-- Hide the script from old browsers -- // Michael P. Scholtis (mpscho@planetx.bloomu.edu) // All rights reserved. January 15, 1996 // You may use this javascript example as you see fit, as long as the // information within this comment above is included in your script. function MakeArray(n){ this.length=n; for(var i=1; i<=n; i++) this［i］=i-1; return this } hex=new MakeArray(16); hex［11］="A"; hex［12］="B"; hex［13］="C"; hex［14］="D"; hex［15］="E"; hex［16］="F"; function ToHex(x){ var high=x/16; // Changes a int to hex (in the range 0 to 255) var s=high+""; //1 s=s.substring(0,2); //2 the combination of these are the same as the trunc function high=parseInt(s,10); //3 var left=hex［high+1］; // left part of the hex-value var low=x-high*16; // calculate the rest of the values s=low+""; //1 s=s.substring(0,2); //2 the combination of these are the same as the trunc function low=parseInt(s,10); //3 var right=hex［low+1］; // right part of the hex-value var string=left+""+right; // add the high and low together return string; } function rainbow(text){ text=text.substring(3,text.length-4); // gets rid of the HTML-comment-tags color_d1=255; // any value in 'begin' 0 to 255 mul=color_d1/text.length; for(i=0;i<text.length;i++){ color_d1=255*Math.sin(i/(text.length/3)); // some other things you can try>> "=255-mul*i" to fade out, //"=mul*i" to fade in, or try "255*Math.sin(i/(text.length/3))" color_h1=ToHex(color_d1); color_d2=mul*i; color_h2=ToHex(color_d2); document.write("<FONT COLOR='#FF"+color_h1+color_h2+"'> //"+text.substring(i,i+1)+'</FONT>'); } } // --End Hiding Here --> </script> </head> <body bgcolor="ffffff"> <center> <br><br><br> <hr width=100%> <SCRIPT LANGUAGE="javascript"> <!-- {rainbow("-->用javascrip创建的彩虹字<!__");} //--> </SCRIPT> <hr width=100%> </center> </body> </HTML> 用javascript进行声音播放控制 <html> <head> <title>用javascript进行声音播放控制</title> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <script language="javascript"> <!-- //定义一个声音播放控制的function, 需注意Netscape和IE对script的解释各不相同 function MM_controlSound(sndAction,sndObj) { if (eval(sndObj) != null) { if (navigator.appName=='Netscape') eval(sndObj+((sndAction=='stop')?'.stop()':'.play(false)')); else if (eval(sndObj+".FileName")) eval(sndObj+((sndAction=='stop')?'.stop()':'.run()')); } } //--> </script> </head> <body> <!-- 开始控制声音播放 --> <embed name='MM_controlSound1' src='sound.wav' loop=false autostart=false mastersound hidden=true width=0 height=0></embed> <!-- 用onMouseOver控制声音播放 --> <a href="#" onMouseOver="MM_controlSound('play','document.MM_controlSound1')"> 当鼠标移到这儿时会播放声音</a> </body> </html>
<HTML> <HEAD> <TITLE>跑马灯</TITLE> <SCRIPT Language="javascript"> var msg="欢迎光临本报编辑部"; var interval = 100; seq = 0; function Scroll() { document.tmform.tmText.value = msg.substring(0, seq+1); seq++; if ( seq >= msg.length ) { seq = 0 }; window.setTimeout("Scroll();", interval ); } </SCRIPT> <BODY OnLoad="Scroll();" > <form Name=tmform> <INPUT Type=Text Name=tmText Size=45> </form> </BODY> </HTML> 17 引用外部javascript 18 java图形变量的定义 19 将本站加入收藏夹 |
http://wl4587.126.com/','情缘文学娱乐网')" class="p1"> </form>