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Created May 21, 2019 06:39
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Commonly Used JavaScript Concept.md

Commonly Used JavaScript Concept

  1. You can find everything from here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects
  2. Here I list commonly used JavaScript concepts, treat it as cheetsheet for quick learn.

Value

Value Note
NaN not a number
undefined
null null is actually a object type

Function

  • parseInt
  • parseFloat
  • isNaN

Fundamental Object

  • Object
  • Function
  • Boolean
  • Error
  • ReferenceError
  • SyntaxError
  • TypeError

Number and Date

  • Number
  • Math
  • Date

Text Processing

  • String
  • RegExp, // it is very useful

Collection

  • Array
  • Map
  • Set

Data Flow

  • JSON
  • Promise
  • AsyncFunction
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