Using d3-tip to add tooltips to a d3 bar chart

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Using d3-tip to add tooltips to a d3 bar chart

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Last edited Jan 10, 2014

Created on Sep 7, 2013

This example shows a bar chart of letter frequencies in English, styled with orange bars that shift color on hover. It demonstrates how to add tooltips to a d3 bar chart using the d3-tip plugin, which displays each bar’s exact frequency value on mouseover. The visualization loads data from a tab-separated data.tsv file, renders as SVG with d3.v3, and uses d3.svg.axis for the axes. The tooltip is created with d3.tip, configured with an HTML template, and attached to the chart via svg.call(tip), while mouseover and mouseout events trigger tip.show and tip.hide.

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How to use d3-tip with d3's simple bar chart example.

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