Currently _hex2array uses String.replace(/(..)/) to build an array out of a hex string. Even though convenient this is way much slower than a normal for loop with String.substr(). In my tests, the current solution is more than 80% slower than the proposed one, see the jsperf test case here.
martinpaljak
commented
9 years ago
Currently
_hex2arrayusesString.replace(/(..)/)to build an array out of a hex string. Even though convenient this is way much slower than a normalforloop withString.substr(). In my tests, the current solution is more than 80% slower than the proposed one, see the jsperf test case here.