JavaScript Advanced

JavaScript basics in depth

• Class Object
• Object descriptors
• Object methods
• Prototype inheritance
• Symbols
• Iterators
• Generators
• Creating iterable objects
• Async generators

JavaScript types in depth

• Types overview
  
• Type Number
• Floating point and rounding problems
• Type String
• Type Boolean
• Type conversions
• Map, Set, WeakMap, WeakSet
• BigInt
• ArrayBuffer
• Typed arrays
• DataViews
• Blobs
• FileReader
• Processing the uploaded files

Asynchronous programming

• Asynchronous calls
• Using this in callbacks
• Promise class
• Promise exception handling
• Methods all(), any(), race(), allSettled()
• Promise cancellation with Promise.race()
• Promise cancellation with AbortController
• Async/await syntax
• Async/await Syntax: Exception Handling
• Async/await Syntax: top-level await
• Async/await Syntax: Constraints
• REST architecture
• HTTP status codes
• HTTP methods
• Statelessness and Scalability
• CRUD Operations and Rest Services
• Returned Data Format: XML, JSON, XHTML
• Fetch Function
• Fetch with possibility to abort request
• Axios library for REST calls
• Handling Errors in Axios
• Request Canceling in Axios
• Axios Interceptors
• WebSocket protocol
• WebSocket in a Browser
• WebSocket on server (Node.js)
• When to Use WebSocket?

Workers and parallel programming

• Workers
• Worker types
• Worker APIs
• Registering worker
• Worker use cases
• Service workers
• Cache API
• Registering Service worker
• Service worker lifecycle
• Service worker as a server proxy
• Cache First strategy (Cache Falling Back to Network)
• Network First strategy (Network Falling Back to Cache)
• Stale-While-Revalidate strategy
• Which strategy to use
• Update cache on push message strategy
• Update cache on background synchronization strategy

Functional programming

• Functions as data
• Function Arguments and Arguments Array
• Functions as Methods
• Call and apply methods
• Binding a Function to an Object
• Closures
• Creating an encapsulated value through closure
• Constructor function
• Array functions: map/filter/reduce
• Programming paradigms
• Declarative versus imperative
• Functional programming
• High-ordered functions
• Pure functions
• Benefits of pure functions
• Immutability
• Immutability of objects: Spread Operator
• Benefits of immutability
• Immutable.js
• Nested data structures in Immutable.js
• Monads and functional composition
• Function pipe()
• Decomposition of the functions
• Monads for SIMD operations
• Partial application of the function
• Currying
• Null safety
• Null Object Design Pattern
• Maybe monad
• Partially defined function
• Rules of Good Code for Writing Functions
• Functional Design Patterns
• MVC design pattern with pure functions
• Observer design pattern
• Event sourcing design pattern
• REDUX design pattern
• REDUX DevTools
• REDUX advantages
• Reactive programming design pattern (RxJS)
• Filter/map/take operators
• MergeMap/ConcatMap/SwitchMap operators
• Window/Buffer operators
• Sample/Throttle/Debounce operators
• Reactive programming benefits and use cases