文字动态变化

- 中国WEB开发者网络 (http://www.webasp.net)
-- 网页特效 (http://www.webasp.net/javascript/)
--- 文字动态变化 (http://www.webasp.net/javascript/1/574.htm)
-- 发布日期： 2005-06-20
<!-- 网页特效代码由[中国WEB开发者网络:http://www.ChinaWebDev.com]提供！ -->
<!-- 要实现此效果需要 1 个步骤： -->

<!-- 第 1 步： -->
<!-- 把下面的代码加到<BODY></BODY>区域中： -->

<SCRIPT language=JavaScript><!-- Begin

var speed = 20;

var cycledelay = 1000;

var maxsize = 48;



var x = 0;

var y = 0;

var themessage, size;

var esize = "";



function initArray() {

this.length = initArray.arguments.length;

for (var i = 0; i < this.length; i++) {

this[i] = initArray.arguments[i];

}

}

var themessage2 = new initArray(

"欢迎访问......",

"网页之作.....",

"webasp向你问好.....!",

"谢谢你的访问....."

);

if(navigator.appName == "Netscape")

document.write('<layer id="wds"></layer><br>');

if (navigator.appVersion.indexOf("MSIE") != -1)

document.write('<span id="wds"></span><br>');

function upwords(){

themessage = themessage2[y];

if (x < maxsize) {

x++;

setTimeout("upwords()",speed);

}

else setTimeout("downwords()",cycledelay);



if(navigator.appName == "Netscape") {

size = "<font point-size='"+x+"pt'>";

document.wds.document.write(size+"<center>"+themessage+"</center>"+esize);

document.wds.document.close();

}

if (navigator.appVersion.indexOf("MSIE") != -1){

wds.innerHTML = "<center>"+themessage+"</center>";

wds.style.fontSize=x+'px'

}

}

function downwords(){

if (x > 1) {

x--;

setTimeout("downwords()",speed);

}

else {

setTimeout("upwords()",cycledelay);

y++;

if (y > themessage2.length - 1) y = 0;

}

if(navigator.appName == "Netscape") {

size = "<font point-size='"+x+"pt'>";

document.wds.document.write(size+"<center>"+themessage+"</center>"+esize);

document.wds.document.close();

}

if (navigator.appVersion.indexOf("MSIE") != -1){

wds.innerHTML = "<center>"+themessage+"</center>";

wds.style.fontSize=x+'px'

}

}

setTimeout("upwords()",speed);

// End -->

</SCRIPT>


webasp.net