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Dot Notation ↔ . JS Syntax to Chain & Object Literal

improves readability of Source Code & helps escape Callback Hell

!technical dot operator 2 separate operators for accessing obj.prop (Property Attribute) & obj.prop() (Method)

References​

  1. Chain ↔ (JS Syntax) to group functions into single line via Dot Notation

  2. Optional Chaining ↔ JS Syntax to conditionally call Chain or Dot Notation if function/property exists, else return undefined