Leaflet lat-lng to pixel

by Leo

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.0.0-beta.2/leaflet-src.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.0.0-beta.2/leaflet.css">
<body>
<div id="mapWrapper">
  <div id="map" ></div>
</div>
</body>

CSS

html, body, #map {
        margin: 0;
        width: 100%;
        height: 100%;
}

#mapWrapper
{
  padding: 10px;
  margin: 10px;
  width: 100%;
  height: 100%;
}

JavaScript

var map = new L.Map('map', {
                center: new L.LatLng(45.5 + 0.003,-73.5 + 0.003),
                zoom: 16
            });

L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png', {attribution: '&copy; <a href="https://osm.org/copyright">OpenStreetMap</a> contributors'}).addTo(map);

var marker = L.marker(
            [45.5        , -73.5        ], 
            {
                draggable: true
            });

marker.on('dragstart', function(e){
        var opts = {
           iconAnchor: new L.Point(12, 40),
           iconUrl: 'https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.0.0-beta.2/images/marker-icon.png'
        
        };
        marker.setIcon(new L.Icon(opts));
        
   console.log("a");
});


marker.on('dragend', function(e){
   console.log("1");
});

map.addLayer(marker);