{
const svg = d3.select(html`<svg style = "border:1px solid black" width = 600 height = 300></svg>`)
const circle = svg.append("circle")
.attr("r",30)
.attr("cx",0)
.attr("cy",150)
.attr("fill","steelblue")
.attr("stroke","black")
circle.transition().duration(1000).ease(d3.easeLinear).attr("cx",600)
return svg.node()
}