Source Code dari situsnya udah gw buat simple bro silahkan di download & di pelajarin.
Code
<!--
Flip Text By Khabibkhan
Re-simple By EVA-00
-->
<html>
<head>
<title>Simple Reverse Text</title>
<script language="JavaScript">
function flip() {
var result = flipString(document.f.original.value.toLowerCase());
document.f.flipped.value = result;
}
function flipString(aString) {
var last = aString.length - 1;
var result = new Array(aString.length)
for (var i = last; i >= 0; --i) {
var c = aString.charAt(i)
var r = flipTable[c]
result[last - i] = r != undefined ? r : c
}
return result.join('')
}
var flipTable = {
a : '\u0250',
b : 'q',
c : '\u0254', //open o -- from pne
d : 'p',
e : '\u01DD',
f : '\u025F', //from pne
g : '\u0183',
h : '\u0265',
i : '\u0131', //from pne
j : '\u027E',
k : '\u029E',
//l : '\u0283',
m : '\u026F',
n : 'u',
r : '\u0279',
t : '\u0287',
v : '\u028C',
w : '\u028D',
y : '\u028E',
'.' : '\u02D9',
'[' : ']',
'(' : ')',
'{' : '}',
'?' : '\u00BF',
'!' : '\u00A1',
"\'" : ',',
'<' : '>',
'_' : '\u203E',
';' : '\u061B',
'\u203F' : '\u2040',
'\u2045' : '\u2046',
'\u2234' : '\u2235',
'\r' : '\n'
}
for (i in flipTable) {
flipTable[flipTable[i]] = i
}
</script>
</head>
<body>
<table border="0" width="42%" align="center">
<tr>
<td width="468">
<form name="f">
<p align="center"><b><font face="Arial">Tulisan Asli </font> </b> </p>
<p align="center"> <textarea align="center" rows="4" cols="40" name="original" onkeyup="flip()"></textarea></p>
<p align="center"> <input value="Tulisan Jungkir Balik" onclick="flip()" type="button"><br>
: <textarea rows="4" cols="40" name="flipped"></textarea>
</p>
</form>
</td>
</tr>
</table>
</body>
</html>