JavaScript Arrays

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JavaScript Arrays

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Last edited Oct 30, 2022

Created on Oct 29, 2022

This example demonstrates JavaScript array manipulation techniques, including `forEach`, `filter`, `sort`, `map`, and `reduce`, using a generated range of numbers and an array of key-value objects. The code highlights sorting differences between default lexicographic ordering and numeric sorting with a comparator, as well as using the `ascending` helper from d3. It also shows how `reduce` can transform an array into an object or sum values. The visualization is a code-based teaching tool with no visual output, focusing on logged results in the console.

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