Responsive Website Design: javascript text banner animation

javascript text banner animation

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>javascript text banner animation</title>
<style>
body{
background:#CCCCCC;
}
.wrapper{
margin:auto;
width:50%;
background:#669900;
}
.textbanner{
background:#0066CC;
padding:40px;
text-align:center;
}
</style>
</head>
<body>
<div class="wrapper">

<div class="textbanner">
<script language="JavaScript1.2">
var message="Welcome to Javascript!"
var neonbasecolor="#333"
var neontextcolor="#ccc"
var neontextcolor2="#ddd"
var flashspeed=100      // speed of flashing in milliseconds
var flashingletters=3      // number of letters flashing in neontextcolor
var flashingletters2=1      // number of letters flashing in neontextcolor2 (0 to disable)
var flashpause=0      // the pause between flash-cycles in milliseconds

///No need to edit below this line/////

var n=0
if (document.all||document.getElementById){
document.write('<font color="'+neonbasecolor+'">')
for (m=0;m<message.length;m++)
document.write('<span id="neonlight'+m+'">'+message.charAt(m)+'</span>')
document.write('</font>')
}
else
document.write(message)

function crossref(number){
var crossobj=document.all? eval("document.all.neonlight"+number) : document.getElementById("neonlight"+number)
return crossobj
}

function neon(){

//Change all letters to base color
if (n==0){
for (m=0;m<message.length;m++)
crossref(m).style.color=neonbasecolor
}

//cycle through and change individual letters to neon color
crossref(n).style.color=neontextcolor

if (n>flashingletters-1) crossref(n-flashingletters).style.color=neontextcolor2 
if (n>(flashingletters+flashingletters2)-1) crossref(n-flashingletters-flashingletters2).style.color=neonbasecolor

if (n<message.length-1)
n++
else{
n=0
clearInterval(flashing)
setTimeout("beginneon()",flashpause)
return
}
}

function beginneon(){
if (document.all||document.getElementById)
flashing=setInterval("neon()",flashspeed)
}
beginneon()

</script>
</div>

</div>
</body>
</html>

Monday 23 March 2015

javascript text banner animation

No comments:

Post a Comment