This method is used internally by ObjectRange and converts the last character of the string to the following character in the Unicode alphabet.
string.sub(pattern, replacement[, count = 1]);
<html> <head> <title>Prototype examples</title> <script type="text/javascript" src="/javascript/prototype.js"> </script> <script> function showResult(){ var str = "a"; alert("a.succ : " + str.succ() ); var str = "aaaa"; alert("aaaa.succ : " + str.succ() ); var str = "abcd"; alert("abcd.succ : " + str.succ() ); } </script> </head> <body> <p>Click the button to see the result.</p> <br /> <br /> <input type="button" value="Result" onclick="showResult();"/> </body> </html>
To understand it in better way you can Try it yourself.
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