Where can I get cygwin1.dll?

Question

Cygwin

Error opening:

Answer 1

site cygwin.org, there you download cygwin.exe, run it, install the minimal environment, it will either prescribe the path or offer to run a batch file in your batch files that configures the environment.
Beware, the application may require its own version of these libraries (especially if it is several years older than 2020), in such cases these libraries are shipped in the installer.

Answer 2

https://learn.javascript.ru/operators#%D0%BE%D0%BF...

(([1,23] == 1), 23) // → (false, 23) → оператор «запятая» возвращает правый операнд → 23