ArcGIS JSAPI: Map with ESRI basemap zooming in closer than basemap allows.

arcgis-jsapi-map-zoom-in-closer.js

require(["esri/Map"], function (Map) {
  var map = new Map("mapdiv", {
    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
      }
    ]
  });
  
  // do stuff to add layers and other data to your map.
});