PerimeterX - Handicapped
The source is the original code, and the readable has the specific steps to de-obfuscate the original code.
If you are interested in what fingerprints PX collects, you can refer to payload.md, which lists all the information they collect and the corresponding source code.
PX's script obfuscation method is very, very, very simple, 100x simpler than reCAPTCHA / 10x simpler than Akamai / 1,000x simpler than Shape!!!! Just the most common collection of fingerprints!! So in the future, writing automated deobfuscation programs is possible!