JSArray_train

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Last edited Jul 9, 2022

Created on Jul 9, 2022

This example demonstrates JavaScript array manipulation techniques using the D3.js library, specifically the `d3.range` function to generate a sequence of numbers. The code logs values to the console, then applies various array methods like `sort()`, `reverse()`, `map()`, and `reduce()` to transform and analyze the data. It also shows how `reduce()` can convert an array of objects into an object keyed by a property, as seen with the `entries` array. The visualization relies on console output rather than graphical rendering, with styling defined via CSS for the page message.

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A bare minimum HTML page demonstrating use of CSS and JavaScript.

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