This method sets the duration for the transition when hovering mouse over the parts.
The example on the left has the default duration 500 and the example on right has duration 100.
For other options and examples, check VizJS
Modified http://vizjs.org/viz.v1.1.0.min.js to a secure url
https://d3js.org/d3.v4.min.js
https://vizjs.org/viz.v1.1.0.min.js