d3js workshop - circles 2

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d3js workshop - circles 2

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Last edited Oct 19, 2017

Created on Oct 19, 2017

Three circles of different data values appear in an SVG canvas, then animate by shifting downward and turning red before returning to their original positions on mouseover. The example demonstrates basic D3.v3 selection, data binding, and transition APIs, including `transition().delay().duration()`. Interactive event handling is implemented through `.on("mouseover")`, which changes circle styling and radius. The code initializes an SVG element with `d3.select('body').append('svg')` and uses a data array `[10, 20, 30]` to map circle positions.

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forked from <a href='http://bl.ocks.org/mostaphaRoudsari/'>mostaphaRoudsari</a>'s block: <a href='http://bl.ocks.org/mostaphaRoudsari/294888109e025d770c8a680a730ef04e'>04_workshop_interactive circles</a>

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