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Scope Chain ↔ Link to Variable from outer Scopes to current Scope

Scoping​

How Variables are organised & accessed

Scope​

Placewhere Variable is declared

References​

  1. with ↔ JS Keyword to extend Scope Chain of Statement . !Forbidden in Strict Mode!

  2. Variable Lookup ↔ (process) to look upwards for Variables in Scope Chain, when not in Lexical Environment