using of scale, scaleLinear(), scaleOrdinal()

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using of scale, scaleLinear(), scaleOrdinal()

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Last edited Jan 12, 2021

Created on Jan 12, 2021

This example demonstrates how D3 scaling functions map input domains to output ranges for both numeric and categorical values. A `scaleLinear()` maps values 0–3 to a pixel range of 0–300, logging transformed results to the console. A `scaleOrdinal()` assigns colors from an array to categorical domain values, and the code appends four div elements to the DOM, coloring each with a different color via D3 selections. The page is a minimal HTML document using d3.v5 and relies on CSS styling through inline `.style` calls.

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

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