block 2.6

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✓ Published0🌍 Public

Last edited Jul 10, 2018

Created on Jul 10, 2018

Four empty divs labeled A through D are selected and styled using D3.js v3, with each element’s width increasing linearly based on its index (10 to 40 pixels) and alternating background colors (lightblue for even indices, lightgray for odd). The example demonstrates how `d3.selectAll` and the `.style` method apply multiple CSS properties via a function that receives the data index. The code uses `d3.v3` from a CDN, with no external data source—only static HTML elements. This block illustrates basic data-driven styling without binding data arrays.

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