dist/ol-debug.js"></script>
<script src="//cdn.jsdelivr.net/npm/proj4@2.6.0/dist/proj4.js"></script>
<script src="../packages/openlayers/dist/ol-wind.js"></script>
<script>
  // proj4.defs("EPSG:3413","+proj=stere +lat_0=90 +lat_ts=70 +lon_0=-45 +k=1 +x_0=0 +y_0=0 +datum=WGS84 +units=m +no_defs");
  proj4.defs("EPSG:3413","+proj=stere +lat_0=90 +lat_ts=70 +lon_0=-45 +k=1 +x_0=0 +y_0=0 +datum=WGS84 +units=m +no_defs");

  var extent  = [-190, 90, 180, 60];
  var bounds = [
    -6894746.0420226175, -6894746.0