Created
October 31, 2013 20:49
-
-
Save ethagnawl/7256910 to your computer and use it in GitHub Desktop.
naive first unique letter of string function in JavaScript
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| function firstNonRepeatingLetter (str) { | |
| var str_arr = str.split(''); | |
| return str_arr.filter(function (x) { | |
| return str_arr.indexOf(x) === str_arr.lastIndexOf(x); | |
| })[0]; | |
| } | |
| firstNonRepeatingLetter('aardvark') === 'd' // true |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment