要完成此效果需要三个步骤 第一步:把如下代码加入到<head>区域中 <STYLE>.spanstyle { COLOR: #0066ff; FONT-FAMILY: 隶书; FONT-SIZE: 14pt; FONT-WEIGHT: normal; POSITION: absolute; TOP: -50px; VISIBILITY: visible } </STYLE> 第二步:把如下代码加入到<body>区域中 <SCRIPT language=javascript> var message="LOVE YOU!"; var x,y; var step=12; var flag=0;
message=message.split(""); var xpos=new Array(); for (i=0;i<=message.length-1;i++) { xpos=-50; } var ypos=new Array(); for (i=0;i<=message.length-1;i++) { ypos=-50; } function handlerMM(e) { x = (document.layers) ? e.pageX : document.body.scrollLeft+event.clientX+10; y = (document.layers) ? e.pageY : document.body.scrollTop+event.clientY; flag=1; } function makesnake() { if (flag==1 && document.all) { for (i=message.length-1; i>=1; i--) { xpos=xpos[i-1]+step; ypos=ypos[i-1]; } xpos[0]=x+step; ypos[0]=y; for (i=0; i<=message.length-1; i++) { var thisspan = eval("span"+(i)+".style"); thisspan.posLeft=xpos; thisspan.posTop=ypos; thisspan.color=Math.random() * 255 * 255 * 255 + Math.random() * 255 * 255 + Math.random() * 255; } } else if (flag==1 && document.layers) { for (i=message.length-1; i>=1; i--) { xpos=xpos[i-1]+step; ypos=ypos[i-1]; } xpos[0]=x+step; ypos[0]=y; for (i=0; i<message.length-1; i++) { var thisspan = eval("document.span"+i); thisspan.left=xpos; thisspan.top=ypos; thisspan.color=Math.random() * 255 * 255 * 255 + Math.random() * 255 * 255 + Math.random() * 255; } } } </SCRIPT> <SCRIPT language=javascript> for (i=0;i<=message.length-1;i++) { document.write("<span id='span"+i+"' class='spanstyle'>"); document.write(message); document.write("</span>"); } if (document.layers) { document.captureEvents(Event.MOUSEMOVE); } document.onmousemove = handlerMM; </SCRIPT> <SCRIPT language=javascript> function pageonload() { makesnake(); window.setTimeout("pageonload();", 2); } </SCRIPT> 第三步:把“onload=javascript:pageonload()”加在<body>标记里 例如:<body onload=javascript:pageonload()>
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