John Resig - Javascript Diff AlgorithmUsing an idea grabbed from a mailing list post, I implemented the diff algorithm discussed in the following paper (free registration required): P. Heckel, A technique for isolating differences between files Comm. ACM, 21, (4), 264–268 (1978). The implementation, itself, has two functions, one of which is recommended for use: diffString( String oldFile, String newFile ) This method takes two string
