Click link inside Leaflet Popup and do Javascript

Question

I have a leaflet map up and running. It overlays a series of polygons (via GeoJSON) on the map and attaches popups to each polygon. Each of the popups display information a

Answer 1

mapbox JavaScript library has an event:

bindPopup('Say hi');
addTo(map);

$('#map').on('click', '.trigger', function() {
    alert('Hello from Toronto!');
});

https://www.mapbox.com/mapbox.js/example/v1.0.0/clicks-in-popups/