✋🏽 Been building things on the web since ~1994. I still "google" things, and have to hit the docs on a regular basis. Absolutely nothing wrong with referencing documentation. That's what it's there for!
If it really makes someone feel better to memorize something -- great! Go for it! I'd rather take a quick peek at some docs, and move on building something! =)
Having all the resources available at your fingertips keeps more room in your memory for other things!
Back at a company I used to work for they had an old (dusty now) bookcase which had a ton of old reference books that they used before the days of Google and easily searchable information. Always wondered what it would be like to work back then.
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