I can get a image to overlay and display just fine, but can't seem to get a popup on hover or click. Here is my code for version 1.6.0:

 <div id="map"></div>

    var map = L.map('map', {
        center: [40.75, -74.15],
        zoom: 13

    var osmAttrib = 'Map data © <a href="http://openstreetmap.org">OpenStreetMap</a> contributors';

    var osm = L.tileLayer('http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
        maxZoom: 18,
        attribution: osmAttrib

    var cities = new L.LayerGroup([
        L.marker([40.72801, -74.07772]).bindPopup('Jersey City')

        [[40.712216, -74.22655], [40.773941, -74.12544]], {
        opacity: 1
    }).addTo(map).bindPopup("This is a yellow box");


If you look at the Leaflet docs for L.imageOverlay (https://leafletjs.com/reference-1.6.0.html#imageoverlay), you'll see that by default this layer is not interactive (interactive option is set to false), which means it does not emit mouse events and as a consequence popup cannot be triggered with mouse click.

Simply define your image layer as interactive and popup will appear upon mouse click:

  [[40.712216, -74.22655], [40.773941, -74.12544]],
    opacity: 1,
    interactive: true
).bindPopup("This is a yellow box").addTo(map);
|improve this answer|||||
  • Works perfectly, thank you TomazicM. – Michael Sharp Mar 20 at 21:21

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