האם גם בJS מחרוזת היא מערך?

[Itay]

אתה יכול להשתמש ב-charAt

var b = 'I am a JavaScript hacker.'
document.write(b.charAt(5))

gives 'a', because that's the character at the sixth position (remember, first character is 0!).

http://www.quirksmode.org/js/strings.html