JavaScript Map in Practice: Revision and Application

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.

Lessons and practices

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

Interested in this course? Learn and practice with Cosmo!

Practice is how you turn knowledge into actual skills.