import _ol_Map_ from '../src/ol/Map.js'; import _ol_View_ from '../src/ol/View.js'; import _ol_control_ from '../src/ol/control.js'; import _ol_layer_Tile_ from '../src/ol/layer/Tile.js'; import _ol_source_OSM_ from '../src/ol/source/OSM.js'; var map = new _ol_Map_({ layers: [ new _ol_layer_Tile_({ source: new _ol_source_OSM_() }) ], target: 'map', controls: _ol_control_.defaults({ attributionOptions: { collapsible: false } }), view: new _ol_View_({ center: [0, 0], zoom: 2 }) }); document.getElementById('zoom-out').onclick = function() { var view = map.getView(); var zoom = view.getZoom(); view.setZoom(zoom - 1); }; document.getElementById('zoom-in').onclick = function() { var view = map.getView(); var zoom = view.getZoom(); view.setZoom(zoom + 1); };