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CodeSignal

JavaScript Map in Practice: Revision and Application

via CodeSignal

Overview

Strengthen your understanding and application of the map data structure with a focus on counting and aggregation tasks. This course will deepen your comprehension of efficient data access and manipulation using JavaScript's Map.

Syllabus

  • Lesson 1: Introduction to Maps in JavaScript
    • Updating Book Title in Library Catalog
    • Fix the Library Catalog Program
    • Check Book Availability in Library Catalog
    • Updating and Accessing Elements in a Map
    • Updating a Library Catalog Using JavaScript Maps
  • Lesson 2: Counting Elements Using Maps in JavaScript
    • Efficient Counting with JavaScript Maps
    • Fix the Book Counting System
    • Updating Animal Counts in a Zoo Using Maps in JavaScript
    • Counting Letter Frequency in a Sentence Using Map in JavaScript
    • Counting Book Titles Using Maps in JavaScript
  • Lesson 3: Data Aggregation Using Maps in JavaScript
    • Calculating the Average Quantity of Items
    • Fix the Bug in Fruit Inventory Minimum Calculation
    • Calculating Total Items and Maximum Quantity in an Inventory Map
    • Comparison of Fruit Inventory to Average Count
    • Determine the Maximum Count of Any One Type of Fruit in a Fruit Stand's Inventory
  • Lesson 4: Applying Maps to Real-World Challenges in JavaScript
    • Ensuring Book Availability in Library Catalog System
    • Improve the Library Catalog Book Information Display Function
    • Managing Library Inventory with Maps
    • Counting Word Appearances in a String
    • Library Book Availability Check

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