d3 pie chart transition with attrtween

Question

i\'m trying to somehow sweep in a half-donut-chart, meaning starting with a blank screen the chart starts drawing at -90 degree (or 270) and performs a halfcircle until reaching

Answer 1

A small typo on the

var svg = d3.select("body").append("svg").attr("width", width).attr("height", `height)

should be:

var svg = d3.select("body").append("svg").attr("width", width).attr("height", height)