JavaScript Arrays
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This example explores JavaScript array methods using D3’s `ascending` and custom functions. It defines a `range` generator to create an array and demonstrates commented-out operations like `forEach`, `sort`, `map`, and `reduce`. The active code sorts an array of objects by their `key` property using `entries.sort((a,b) => ascending(a.key, b.key))`, logging the reordered result. No visual output is rendered; the focus is on console-based array manipulation with array methods and D3’s comparator.
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