Update Method to Retrieve Last Element of DataStream

Identifying and Fixing a Method to Retrieve the Last Element in a Data Stream

First and Last Data Points in a Stream

Slicing and Converting Data Stream to String in JavaScript

Middle Element of Sliced DataStream

Filter Numbers Greater Than 20 in DataFilter Class

Fix the Bug to Filter Strings Longer than a Specified Threshold

Filter Even Numbers Using the filter() Method

Filtering Positive Even Numbers with filter Function

Filtering Values Below a Given Threshold

Projecting Fruit Colors Instead of Names

Fixing the DataProjector Class for Filtering and Projection

Enhancing Car Horsepower with Data Projection

Filtering and Increasing Prices of Expensive Products

Convert Temperatures from Fahrenheit to Celsius Using Data Projection Techniques

Calculating the Minimum Exam Score Using Reduce

Calculating Average Temperature in JavaScript

Find the Most Frequent Temperature Using Reduce Function

Counting Adults Using Reduce Function

Calculate Average Salary in Sales Department

Filtering and Aggregating Sales Data

DataStream Class: Implement Filter, Project, and Aggregate Methods

Data Manipulation Using JavaScript Classes