Method initialize

resources/vega.min.js:15541–15544

(t, e, n)

      super(t, e);
    }
    initialize(t, e, n) {
      const r = rv(rv(t, 0, "div"), A_.svgOnTop ? 0 : 1, "div");
      return super.initialize(r, e, n);
    }
  }
  const D_ = "canvas",
    C_ = "hybrid",