codefellows/sea-c16-javascript — pull request #41 by CodeErCn (2014-07-09 00:13:49+00:00)
Title: XOR statement and WHY two !! before string

Please allow merge on the XOR.js for Week 1 Assignment 2 exclusive Or statement.
And does two !! means the same with only one ! in front of the string??

Thank you.

Eric