The author states, "Javascript array lookups are not particularly fast, so applying a filter to a large canvas can be painfully slow." I would be interested to

The author states, "Javascript array lookups are not particularly fast, so applying a filter to a large canvas can be painfully slow." I would be interested to see what using typed arrays does to performance: https://developer.mozilla.org/en/JavaScript_typed_arrays https://developer.mozilla.org/en/JavaScript_typed_arrays