JavaScript Design Patterns Proficiency (Advanced Level)

  • 30m
  • 30 questions
The JavaScript Design Patterns Proficiency benchmark measures your ability effectively implement the three categories of design patterns while following best practices. You will be evaluated on your skills in using the Facade pattern for AJAX requests, applying the Decorative pattern to dynamic customizations, and using Mixins to simulate multiple inheritance. You will also be evaluated on your ability to use the Flyweight pattern for centralized event handling, apply the Observer pattern for custom events, implement the State pattern in React, and execute/undo commands. A learner who scores high on this benchmark demonstrates that they have the skills to proficiently work with various design patterns categorized as Creational, Structural, and Behavioral and apply advanced techniques in JavaScript.

Topics covered

  • apply best practices for the Prototype pattern
  • apply best practices for working with the Revealing Module pattern
  • apply the Proxy pattern to provide the right context
  • centralize event handling using the Flyweight pattern
  • create objects using ES6 classes
  • describe Iterators in jQuery
  • design React components as decorators
  • design the Observer with custom events in jQuery
  • execute and undo commands
  • execute functions using the right context
  • illustrate the burden on the client when the Adapter pattern is not used
  • implement the Builder pattern in jQuery
  • implement the Command pattern
  • implement the Factory pattern
  • implement the Prototype pattern without using Object.create()
  • implement the State pattern in React
  • make AJAX requests without a façade in jQuery
  • perform valid state transitions
  • provide a consistent client interface using an adapter
  • recognize the role of the Observer pattern in event handling
  • set up constructs and factories for the abstract factory pattern
  • share resources using the Flyweight pattern
  • simulate multiple inheritance with Mixins
  • trigger custom events in jQuery
  • use different methods in the iQuery Builder pattern
  • use Mixins in the Underscore.js library
  • use React components as decorators
  • use the Façade pattern in jQuery for AJAX requests
  • use the Revealing Module pattern
  • wire up individual event handlers to HTML elements