let draw =
  () {
    case Dom.Canvas.fromDomElement(canvas) {
      Maybe::Just(el) =>
        {
          el
          |> Canvas.setFont("30px serif")
          // Default (auto)
          el
          |> Canvas.fillText("AVA Ta We (default: auto)", 5, 30)
          // Font kerning: normal
          el
          |> Canvas.setFontKerning(CanvasFontKerning::Normal)
          |> Canvas.fillText("AVA Ta We (normal)", 5, 70)
          // Font kerning: none
          el
          |> Canvas.setFontKerning(CanvasFontKerning::None)
          |> Canvas.fillText("AVA Ta We none", 5, 110)
          ""
        }
      Maybe::Nothing =>
        ""
    }
  }
{
  await Timer.timeout(0)
  draw()
}
<canvas as canvas width="400"/>