共分三個(gè)步驟：
第一步：
在<head></head>加入下列代碼：
<style>
.spanstyle {
position:absolute;
visibility:visible;
top:-50px;
font-size:9pt;
font-family:宋體;
font-weight:bold;
}
</style>
<script>
var message="★ ★ ★ ★ 歡 迎 光 臨 孟 憲 會(huì) 之 精 彩 世 界！ ★ ★ ★ ★ "http://可以任意更改！
message=message.split(" ")
var step=8
var stepbasic=8 //設(shè)定字的間距
var x,y
var flag=0
var xpos=new Array()
for (i=0;i<=message.length-1;i++) {
xpos[i]=-100
}
var ypos=new Array()
for (i=0;i<=message.length-1;i++) {
ypos[i]=-100
}
var spacebetweenwords=new Array()
for (i=0;i<=message.length-1;i++) {
spacebetweenwords[i]=stepbasic+step*message[i].length-1
}
var colorstep=Math.round(255/message.length-1)
var colorrgb=new Array()
for (i=0;i<=message.length-1;i++) {
colorrgb[i]=i*colorstep
}
var wordcolor=new Array()
for (i=0;i<=message.length-1;i++) {
var colhex_left = Math.floor(colorrgb[i]/16)
var colhex_right= colorrgb[i]-(colhex_left*16)
if (colhex_left == 10) {colhex_left="A"}
if (colhex_left == 11) {colhex_left="B"}
if (colhex_left == 12) {colhex_left="C"}
if (colhex_left == 13) {colhex_left="D"}
if (colhex_left == 14) {colhex_left="E"}
if (colhex_left == 15) {colhex_left="F"}
if (colhex_right == 10) {colhex_right="A"}
if (colhex_right == 11) {colhex_right="B"}
if (colhex_right == 12) {colhex_right="C"}
if (colhex_right == 13) {colhex_right="D"}
if (colhex_right == 14) {colhex_right="E"}
if (colhex_right == 15) {colhex_right="F"}
wordcolor[i] =""+colhex_left+colhex_right
}
function handlerMM(e){
x = (document.layers) ? e.pageX : document.body.scrollLeft+event.clientX
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[i]=xpos[i-1]+spacebetweenwords[i-1]
ypos[i]=ypos[i-1]
}
xpos[0]=x+stepbasic
ypos[0]=y
for (i=0; i<message.length-1; i++) {
var thisspan = eval("span"+(i)+".style")
thisspan.posLeft=xpos[i]
thisspan.posTop=ypos[i]
}
}
else if (flag==1 && document.layers) {
for (i=message.length-1; i>=1; i--) {
xpos[i]=xpos[i-1]+spacebetweenwords[i-1]
ypos[i]=ypos[i-1]
}
xpos[0]=x+stepbasic
ypos[0]=y
for (i=0; i<message.length-1; i++) {
var thisspan = eval("document.span"+i)
thisspan.left=xpos[i]
thisspan.top=ypos[i]
}
}
var timer=setTimeout("makesnake()",30)
}
</script>
第二步：
在<body>里加入：
onLoad="makesnake()" style="width:100%;overflow-x:hidden;overflow-y:scroll"
第三步：
在<body></body>里加入：
<script>
<!-- 代碼開(kāi)始
for (i=0;i<=message.length-1;i++) {
document.write("<span id='span"+i+"' class='spanstyle'>")
document.write("<font color='"+wordcolor[i]+wordcolor[16-i]+wordcolor[i]+"'>"+message[i]+"</font>")
document.write("</span>")
}
if (document.layers){
document.captureEvents(Event.MOUSEMOVE);
}
document.onmousemove = handlerMM;
// -代碼結(jié)束 -->
</script>
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