String.sup();
<html> <head> <title>String formatting methods</title> </head> <body> <script type="text/javascript"> var someString = new String("This is the test string"); document.writeln(someString.big()); document.writeln(someString.blink()); document.writeln(someString.sup()); document.writeln(someString.strike()); document.writeln(someString.bold()); document.writeln(someString.italics()); document.writeln(someString.small()); document.writeln(someString.link('http://www.java2s.com')); </script> </body> </html>