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  • JavaScript Development
  • JS Principles
    • JS Principles
      • Primitive data types
      • typeof operator
      • Scope
      • Hoisting
      • IIFE
      • Closure
      • Anonymous functions in JS
      • Conditional (ternary) operator
        • Coercion vs Conversion
      • Event-driven programming
      • Factory Function
      • JSON.stringify()
      • Strict mode
      • super() keyword
      • What are memory leaks?
      • Micro-tasks within an event loop (Summary)
      • Macro-tasks within an event loop (Summary)
      • null vs undefined
    • Memory Management
    • Advanced function concepts
      • Impure vs Pure Functions
      • Factory functions
  • JavaScript Objects & Arrays
    • Introducing JavaScript objects
      • Build-in objects
        • isNaN()
      • RegExp
        • RegExp.prototype.test()
      • String
        • String.prototype.split()
        • String.prototype.slice()
      • Objects
        • Object.assign()
        • Object.create()
        • Object.defineProperties()
        • Object.defineProperty()
        • Object.entries()
        • Object.freeze()
        • Object.getOwnPropertyNames()
        • Object.getPrototypeOf()
        • Object.isFrozen()
        • Object.isSealed()
        • Map
      • Standard built-in methods to work with Arrays
        • Array.of()
        • Array.prototype.concat()
        • Array.prototype.every()
        • Array.prototype.filter()
        • Array.prototype.find()
        • Array.prototype.findIndex()
        • Array.prototype.forEach()
        • Array.prototype.join()
        • Array.prototype.map()
        • Array.prototype.pop()
        • Array.prototype.shift()
        • Array.prototype.reverse()
        • Array.prototype.some()
        • Array.prototype.sort()
        • Array.prototype.splice()
        • Array.prototype.unshift()
        • Array.prototype.includes()
        • Array.prototype.flatMap()
      • Prototypal inheritance
        • Inheritance with the prototype chain
        • Inheriting "methods"
  • JavaScript Mid
    • JavaScript & ES
      • Arrow Function
      • Anonymous Function
      • Callbacks
      • Promises
      • var, let, and const
      • Fetch API (function)
      • Fetch API
      • Synchronous vs Asynchronous
      • Encapsulation
      • Destructuring assignment
      • call() - apply() - bind()
      • 'This' keyword
      • Functional Programming
  • Browser
    • Event-driven programming
  • TypeScript
    • The TypeScript Handbook
      • Basic Types
      • Interfaces
      • Functions
      • Literal Types
      • Unions and Intersection Types
      • Classes
      • Enums
      • Generics
      • Implements vs extends
  • Hackerrank Practices
    • Practices and examples
  • JS Math
    • Mathematical
      • JavaScript | Math.E() function
      • Math.abs( ) Method
      • Math.ceil( ) function
      • Math floor()
      • Math.imul( ) Function
      • Math log( ) Method
      • Math max()/min() Method
      • Math pow( ) Method
      • Math.sign( ) Function
      • Math sqrt( ) Method
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  1. JavaScript Objects & Arrays
  2. Introducing JavaScript objects

Build-in objects

Standard built-in objects

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Last updated 3 years ago

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The term "global objects" (or standard built-in objects) here is not to be confused with the global object. Here, "global objects" refer to objects in the global scope.

The global object itself can be accessed using the operator in the global scope. In fact, the global scope consists of the properties of the global object, including inherited properties, if any.

Other objects in the global scope are either or provided by the host application. The host objects available in browser contexts are documented in the .

For more information about the distinction between the and core , see .

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