Pass Popup object to Marker.bindPopup method

[mbektimirov]

Currently it is impossible to reuse an existing popup in marker but only create a new one.

Sample code:

var m = L.marker([12, 45]);
var p = L.popup();

m.bindPopup(p);

[mourner]

Thanks, will think about this.

[mbektimirov]

@snkashis, thanks!