jsx/JSX — pull request #23 by mzp (2012-06-07 12:48:21+00:00)
Title: support str[num] syntax: syntax sugar for str.charAt(num)

Add string[number] syntax. It is converted to string.charAt(number).

Although many browsers support string[number] syntax, IE does not support it. By adding this syntax sugar, we could use its syntax in portable way.