ArcGIS JSAPI: AGOL Webmap with extra zoom levels

arcgis-jsapi-webmap-extra-zoom-levels.js

require(["esri/arcgis/utils"], function (arcgisUtils) {
  // borrowed webmap id from https://developers.arcgis.com/javascript/jsapi/esri.arcgis.utils-amd.html#createmap
  arcgisUtils.createMap("c41d5f3b4e304806a047702fbfc2759e", "mapdiv", {
    usePopupManager: true, // just tossed this in there to show other webmap options
    mapOptions: {
      basemap: "streets",
      center: [-15.469, 36.428]
      lods: [
        //{
        //    level: 0,
        //    resolution: 156543.033928,
        //    scale: 591657527.591555
        //},
        //{
        //    level: 1,
        //    resolution: 78271.5169639999,
        //    scale: 295828763.795777
        //},
        //{
        //    level: 2,
        //    resolution: 39135.7584820001,
        //    scale: 147914381.897889
        //},
        //{
        //    level: 3,
        //    resolution: 19567.8792409999,
        //    scale: 73957190.948944
        //},
        //{
        //    level: 4,
        //    resolution: 9783.93962049996,
        //    scale: 36978595.474472
        //},
        //{
        //    level: 5,
        //    resolution: 4891.96981024998,
        //    scale: 18489297.737236
        //},
        //{
        //    level: 6,
        //    resolution: 2445.98490512499,
        //    scale: 9244648.868618
        //},
        //{
        //    level: 7,
        //    resolution: 1222.99245256249,
        //    scale: 4622324.434309
        //},
        //{
        //    level: 8,
        //    resolution: 611.49622628138,
        //    scale: 2311162.217155
        //},
        //{
        //    level: 9,
        //    resolution: 305.748113140558,
        //    scale: 1155581.108577
        //},
        {
          level: 10,
          resolution: 152.874056570411,
          scale: 577790.554289
        },
        {
          level: 11,
          resolution: 76.4370282850732,
          scale: 288895.277144
        },
        {
          level: 12,
          resolution: 38.2185141425366,
          scale: 144447.638572
        },
        {
          level: 13,
          resolution: 19.1092570712683,
          scale: 72223.819286
        },
        {
          level: 14,
          resolution: 9.55462853563415,
          scale: 36111.909643
        },
        {
          level: 15,
          resolution: 4.77731426794937,
          scale: 18055.954822
        },
        {
          level: 16,
          resolution: 2.38865713397468,
          scale: 9027.977411
        },
        {
          level: 17,
          resolution: 1.19432856685505,
          scale: 4513.988705
        },
        {
          level: 18,
          resolution: 0.597164283559817,
          scale: 2256.994353
        },
        {
          level: 19,
          resolution: 0.298582141647617,
          scale: 1128.497176
        },
        {
          level: 20,
          resolution: 0.1492910708238085,
          scale: 564.248587
        },
        {
          level: 21,
          resolution: 0.0746455354119043,
          scale: 282.1242935
        }
      ]
    }
  }).then(function (response) {
    var map = response.map;
    // do stuff to add layers and other data to your map.
  });
  
  
});