Method background

resources/vega.min.js:15528–15535

(t)

      );
    }
    background(t) {
      return (
        A_.svgOnTop
          ? this._canvasRenderer.background(t)
          : this._svgRenderer.background(t),
        this
      );
    }
  }
  class E_ extends Sv {
    constructor(t, e) {