https://github.com/d3/d3/blob/master/API.md
https://github.com/d3/d3/wiki/API-Reference-(%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D1%8F%D0%B7%D1%8B%D1%87%D0%BD%D0%B0%D1%8F-%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D1%8F)