Simple tooltips in v7

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Simple tooltips in v7

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Last edited Jun 19, 2021

Created on Jun 19, 2021

This example shows a line chart of stock closing prices over time, with circular markers at each data point. Hovering over a marker fades in a tooltip displaying the formatted date and closing value. The chart is rendered as an SVG using D3 v7, with `d3.line` for the path, `d3.scaleTime` and `d3.scaleLinear` for axes, and `d3.axisBottom`/`d3.axisLeft` for ticks. Tooltip interactions use mouseover and mouseout events with `transition` to animate opacity. Data comes from a CSV file.

AI-generated description

This is a simple graph demonstrating the addition of tooltips.

This graph is part of the code samples for the update to the book D3 Tips and Tricks to version 7 of d3.js.

mit Licensed

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