📄 由散到分.html
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<html>
<head>
<title>文字招牌效果</title>
</head>
<body bgcolor="lightyellow" onload=changetext()>
<STYLE>
.spanstyle
{
BACKGROUND-COLOR: green; BORDER-BOTTOM-STYLE: ridge; BORDER-LEFT-STYLE: ridge; BORDER-RIGHT-STYLE: ridge; BORDER-TOP-STYLE: ridge; COLOR: blue; FONT-FAMILY: 宋体; FONT-SIZE: 30px; HEIGHT: 40px; LEFT: -4500px; PADDING-BOTTOM: 5px; PADDING-LEFT: 5px; PADDING-RIGHT: 5px; PADDING-TOP: 5px; POSITION: absolute; TEXT-ALIGN: center; WIDTH: 290px
}
/*定义矩形模块 */
</STYLE>
<SCRIPT>
<!--
var textwidth=300 //设置文字区域大小
var textheight=50
var message=new Array()
message[0]="欢迎光临" //设置文本信息
message[1]="JavaScript脚本区"
message[2]="文字特效"
var x_finalpos=-1
var y_finalpos=50
var x_slices=24
var y_slices=1
var pause=10
var screenwidth=700
var screenheight=400
var x_step=new Array()
var y_step=new Array()
var x_randompos=0
var y_randompos=0
var i_loop=0
var max_loop=24
var i_text=0
var width_slice=Math.floor(textwidth/x_slices)
var height_slice=Math.floor(textheight/y_slices)
var cliptop=0
var clipbottom=height_slice
var clipleft=0
var clipright=width_slice
var spancounter=0
function initiate() {
if (x_finalpos==-1) {
x_finalpos=Math.floor(document.body.clientWidth/2)-Math.floor(textwidth/2)
}
if (y_finalpos==-1) {
y_finalpos=Math.floor(document.body.clientHeight/2)-Math.floor(textheight/2)
}
cliptop=0
clipbottom=height_slice
clipleft=0
clipright=width_slice
i_loop=0
spancounter=0
if (document.all) {
for (i=0;i<=y_slices-1;i++) {
for (ii=0;ii<=x_slices-1;ii++) {
var thisspan=eval("document.all.span"+spancounter+".style")
x_randompos=Math.ceil(screenwidth*Math.random())
y_randompos=Math.ceil(screenheight*Math.random())
thisspan.posLeft=x_randompos
thisspan.posTop=y_randompos
thisspan.clip ="rect("+cliptop+" "+clipright+" "+clipbottom+" "+clipleft+")"
clipleft+=width_slice
clipright+=width_slice
spancounter++
}
clipleft=0
clipright=width_slice
cliptop+=height_slice
clipbottom+=height_slice
}
}
explode_IE()
}
function changetext() {
spancounter=0
for (i=0;i<=y_slices-1;i++) {
for (ii=0;ii<=x_slices-1;ii++) {
var thisspan=eval("document.all.span"+spancounter+".style")
thisspan.posLeft=-5000
spancounter++
}
}
spancounter=0
if (i_text>message.length-1) {i_text=0}
for (i=0;i<=y_slices-1;i++) {
for (ii=0;ii<=x_slices-1;ii++) {
var thisinnerspan=eval("span"+spancounter)
thisinnerspan.innerHTML=message[i_text]
spancounter++
}
}
i_text++
initiate()
}
function explode_IE() {
spancounter=0
if (i_loop<=max_loop-1) {
for (i=0;i<=y_slices-1;i++) {
for (ii=0;ii<=x_slices-1;ii++) {
var thisspan=eval("document.all.span"+spancounter+".style")
x_step[spancounter]=(x_finalpos-thisspan.posLeft)/(max_loop-i_loop)
y_step[spancounter]=(y_finalpos-thisspan.posTop)/(max_loop-i_loop)
thisspan.posLeft+=x_step[spancounter]
thisspan.posTop+=y_step[spancounter]
spancounter++
}
}
i_loop++
var timer=setTimeout("explode_IE()",pause)
}
else {
spancounter=0
clearTimeout(timer)
var timer=setTimeout("changetext()",5000) //设置变换频率
}
}
</SCRIPT>
<SCRIPT>
<!-- Beginning of JavaScript -
if (document.all) {
for (i=0;i<=y_slices-1;i++) {
for (ii=0;ii<=x_slices-1;ii++) {
document.write("<span id='span"+spancounter+"' class='spanstyle'></span>")
spancounter++
}
}
spancounter=0
}
</SCRIPT>
</body>
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