JavaScript Arrays

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JavaScript Arrays

✓ Published1🌍 Public

Last edited Jun 18, 2024

Created on Jun 18, 2024

This example demonstrates JavaScript array methods—range, forEach, filter, sort, map, and reduce—through console output, illustrating how each operates on numeric and object data. The code builds a range array via a custom function using a for loop and push, then applies methods such as filter for even numbers, sort on numbers and object keys, and reduce for summation and key-value aggregation. It runs in a minimal HTML page with an embedded script, using plain JavaScript with no external visualization library despite d3 being listed as a dependency.

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A bare minimum HTML page.

MIT Licensed

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