Projection, Filtering, and Aggregation of Data Streams in JS | CodeSignal Learn

Software Engineering

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Projection, Filtering, and Aggregation of Data Streams in JS

Focusing on data manipulation operations, this course teaches how to perform data projection, filtering, and aggregation using JavaScript without needing advanced external libraries. You will learn how to use both procedural and functional programming techniques when applying filtering and aggregation on the data stream.

JavaScript

5 lessons

23 practices

Less than 3 hours

Course details

Understanding Data Streams in JavaScript

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

Previous Course Next Course: Practicing Intermediate Implementation and Data Streams

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