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LESSON 8.4Global symbols
Course Thumbnail of Advanced JavaScript Unleashed.Advanced JavaScript Unleashed
  • MODULE 1
    What is JavaScript
    • LESSON 1.1Course Overview
    • LESSON 1.2History of JavaScript
    • LESSON 1.3JavaScript vs Java
    • LESSON 1.4How is it evolved?
    • LESSON 1.5How to track upcoming features?
    • LESSON 1.6How is ECMAScript versioned?
    • LESSON 1.7Is it interpreted or compiled?
    • LESSON 1.8How is it executed?
    • LESSON 1.9Execution Context
    • LESSON 1.10Callstack
    • LESSON 1.11Memory
  • MODULE 2
    Hoisting
    • LESSON 2.1What is hoisting?
    • LESSON 2.2Misconception about hoisting
  • MODULE 3
    Scope
    • LESSON 3.1What is scope?
    • LESSON 3.2Global scope
    • LESSON 3.3Function scope
    • LESSON 3.4Block scope
    • LESSON 3.5Module scope
    • LESSON 3.6Scope chain
  • MODULE 4
    Coercion
    • LESSON 4.1What is coercion?
    • LESSON 4.2Deeper look at coercion
    • LESSON 4.3Abstract operations
    • LESSON 4.4Abstract equality operator
    • LESSON 4.5Addition operator
    • LESSON 4.6Relational operators
    • LESSON 4.7Coercion exercise
  • MODULE 5
    Closures
    • LESSON 5.1What is a closure?
    • LESSON 5.2Misconception about closures
    • LESSON 5.3Closures inside loops
    • LESSON 5.4Data hiding using closures
  • MODULE 6
    Prototypes
    • LESSON 6.1What is prototypal inheritance?
    • LESSON 6.2Prototype chain
    • LESSON 6.3__proto__ property
    • LESSON 6.4Custom prototypes
    • LESSON 6.5ES6 classes and prototypes
  • MODULE 7
    'this' keyword
    • LESSON 7.1What is this?
    • LESSON 7.2Arrow functions and "this"
    • LESSON 7.3Explicitly binding "this"
    • LESSON 7.4globalThis
    • LESSON 7.5Summarizing "this"
  • MODULE 8
    Symbol
    • LESSON 8.1What is a symbol?
    • LESSON 8.2Why symbols?
    • LESSON 8.3Symbols and privacy
    • LESSON 8.4Global symbols
    • LESSON 8.5Well-known symbols
  • MODULE 9
    Asynchronous JavaScript
    • LESSON 9.1Overview
    • LESSON 9.2Callbacks
    • LESSON 9.3Event loop
    • LESSON 9.4Promise
    • LESSON 9.5Promise chaining
    • LESSON 9.6Use cases for static Promise methods
    • LESSON 9.7async await
    • LESSON 9.8Microtasks
    • LESSON 9.9Promise anti-patterns
  • MODULE 10
    Iterators and Generators
    • LESSON 10.1Iterators
    • LESSON 10.2Generators
    • LESSON 10.3Asynchronous iterators
    • LESSON 10.4Asynchronous generators
  • MODULE 11
    Debugging JavaScript
    • LESSON 11.1Debugging
    • LESSON 11.2Debugger statement
    • LESSON 11.3Breakpoints in browser
    • LESSON 11.4VS Code debugger
  • MODULE 12