JavaScript Closures
Stepping through The Complete JavaScript Course 2018: Build Real Projects!, found myself headed down the function rabbit hole, which had an extensive tunnel system. Couldn’t figure out which turn so just closed my eyes and stumbled onto the Closure tunnel.
After reviewing MDN’s closures topic, found Let’s Learn JavaScript Closures seemed to reinforce with a few more examples. Thanks Preethi!
Updated 2018-10-25… A detailed explanation of LexicalEnvironment vs VariableEnvironment, helpful in understanding closures. This article by Dr. Axel Rauschmayer is dated but he does provide a link to the current Standard EMCA-262 Language Specification.