Working with Functions

Saibaba Vinayakaya Namaha!

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Function Properties

• Code/Behavior
• Object
• Callable
• First-class
• Multipurpose

Function Definition

• Function Declaration
• Function Expression
  • Named
  • Unnamed (Anonymous)

Function Invocation

• Regular
• As a method on an object
• Recursive(calling itself)
• Immediately Executing
• Call, Apply
• Bind

Function as Data

• Assignment
  • Variable
  • Object's property(method)
  • Array Element
• Arguments
• Return Value

Function Multipurpose Uses/Applications

• Constructor
• Stand-alone function
• Higher Order function
• Data
• Object Method
• Lambda

Function as a scope provider

• Variable Object
• Hoisting
• Closures
• Scope chain

Commonly used terms

• Functor
• Pure function
• State-less function
• Predicate
• Comparator
• Callback Function
• Event Handler
• IIFE
• SIAF
• Inner function
• Recursive function