Method initialize

resources/vega.min.js:14270–14272

(t, e, n, r, i)

      ((this._el = null), (this._bgcolor = null), (this._loader = new Zg(t)));
    }
    initialize(t, e, n, r, i) {
      return ((this._el = t), this.resize(e, n, r, i));
    }
    element() {
      return this._el;
    }