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https://code.mu/ru/javascript/book/prime/conditions/scope/

https://learn.javascript.ru/closure

https://habr.com/ru/articles/517338/

https://learn.javascript.ru/ifelse

https://code.mu/ru/javascript/book/prime/conditions/scope-nuances/

https://ru.stackoverflow.com/questions/1547211/%D0%9E%D1%81%D0%BD%D0%BE%D0%B2%D1%8B-js-%D0%BA%D0%B0%D0%BA-%D0%BF%D1%80%D0%B0%D0%B2%D0%B8%D0%BB%D1%8C%D0%BD%D0%BE-%D0%B8%D1%81%D0%BF%D0%BE%D0%BB%D1%8C%D0%B7%D0%BE%D0%B2%D0%B0%D1%82%D1%8C-if-else-%D0%B2-%D1%84%D1%83%D0%BD%D0%BA%D1%86%D0%B8%D1%8F%D1%85

https://ftp.zhirov.kz/books/IT/JavaScript/%7B%D0%92%D1%8B%20%D0%BF%D0%BE%D0%BA%D0%B0%20%D0%B5%D1%89%D0%B5%20%D0%BD%D0%B5%20%D0%B7%D0%BD%D0%B0%D0%B5%D1%82%D0%B5%20JS%7D%20%D0%9E%D0%B1%D0%BB%D0%B0%D1%81%D1%82%D1%8C%20%D0%B2%D0%B8%D0%B4%D0%B8%D0%BC%D0%BE%D1%81%D1%82%D0%B8%20%D0%B8%20%D0%B7%D0%B0%D0%BC%D1%8B%D0%BA%D0%B0%D0%BD%D0%B8%D1%8F%20%28%D0%9A%D0%B0%D0%B9%D0%BB%20%D0%A1%D0%B8%D0%BC%D0%BF%D1%81%D0%BE%D0%BD%29.pdf

https://medium.com/%40Dimetrio89/%D0%B2%D1%8B-%D0%BD%D0%B5-%D0%B7%D0%BD%D0%B0%D0%B5%D1%82%D0%B5-js-%D0%BE%D0%B1%D0%BB%D0%B0%D1%81%D1%82%D1%8C-%D0%B2%D0%B8%D0%B4%D0%B8%D0%BC%D0%BE%D1%81%D1%82%D0%B8-%D0%B8-%D0%B7%D0%B0%D0%BC%D1%8B%D0%BA%D0%B0%D0%BD%D0%B8%D1%8F-%D1%87%D0%B0%D1%81%D1%82%D1%8C-2-1648ef4dfed5

https://elbrusboot.camp/blog/sintaksis-javascript-osnovnyie-kontsieptsii/

https://habr.com/ru/companies/ruvds/articles/337038/

https://codex.wordpress.org/%D0%A1%D1%82%D0%B0%D0%BD%D0%B4%D0%B0%D1%80%D1%82%D1%8B_%D0%BA%D0%BE%D0%B4%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F_Javascript

https://itchief.ru/javascript/scope-and-context

https://www.reddit.com/r/ProgrammingLanguages/comments/1dgeg58/casesensitive_syntax/?tl=ru