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Responding to Resize

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Rrenjiez
Last edited Jul 24, 2020
Created on Jul 24, 2020

This example demonstrates a D3.js visualization that automatically redraws itself to match the browser window’s current dimensions. It uses CSS to make a chart container fill the viewport, then reads the container’s `clientWidth` and `clientHeight` properties to size an SVG element accordingly. The visualization draws two thick, semi-transparent green lines forming an X, with coordinates recomputed on every window resize event via a `redraw` function. The code relies on the D3 v5 selection API, `d3.select`, and the `selectAll`/`enter`/`merge` methods to update the SVG lines.

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