Method removeFeatures

src/openlayers/overlay/Graph.js:396–399

* @function Graph.prototype.removeFeatures * @description 从专题图中删除要素。这个函数删除所有传递进来的矢量要素。参数中的要素数组中的每一项，必须是已经添加到当前图层中的 feature。 * @param {Array. |FeatureVector|Function} features - 要删除的要素。

(features)

     * @param {Array.<FeatureVector>|FeatureVector|Function} features - 要删除的要素。
     */
    removeFeatures(features) {
        this.clearCache();
        super.removeFeatures(features);
    }

    /**
     * @function Graph.prototype.removeAllFeatures