arcgis js删除点

require([
  "esri/Map",
  "esri/views/MapView",
  "esri/layers/GraphicsLayer",
  "esri/Graphic"
], function(Map, MapView, GraphicsLayer, Graphic) {
  // 创建地图和视图
  const map = new Map({
    basemap: "streets-vector"
  });

  const view = new MapView({
    container: "viewDiv",
    map: map,
    center: [-118.244, 34.052],
    zoom: 12
  });

  // 创建一个图形图层
  const graphicsLayer = new GraphicsLayer();
  map.add(graphicsLayer);

  // 添加一个点要素
  const pointGraphic = new Graphic({
    geometry: {
      type: "point",
      longitude: -118.244,
      latitude: 34.052
    },
    symbol: {
      type: "simple-marker",
      color: [226, 119, 40],
      outline: {
        color: [255, 255, 255],
        width: 2
      }
    }
  });

  graphicsLayer.add(pointGraphic);

  // 删除点要素的函数
  function deletePoint() {
    graphicsLayer.remove(pointGraphic);
  }

  // 假设有一个按钮触发删除操作
  document.getElementById("deleteButton").addEventListener("click", deletePoint);
});