Responding to Resize
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This example demonstrates how a D3.js visualization can respond dynamically to browser resizing. A green X-shaped pair of lines fills the entire viewport, with the SVG’s width and height attributes continuously updated based on the container’s client dimensions. The code uses a CSS fixed-position div to define the chart area, then directly sets the SVG dimensions via `clientWidth` and `clientHeight` within a `redraw` function. A `window.addEventListener("resize", redraw)` triggers the update, while D3’s data join (`selectAll`, `enter`, `merge`) efficiently redraws the line elements with updated coordinates and stroke properties.
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