Leaflet onEachFeature() function to show polygon coordinates in a popup. Useful for cleaning a up geodata file.

gistfile1.js

function onEachFeature(feature, layer) {
  var coordinates = feature.geometry.coordinates[0];
  var coordinatesString = '';
  $.each(coordinates, function(key, value) {
    coordinatesString = coordinatesString + '[' + value + ']'; 
  });
  var popup = L.popup().setContent(coordinatesString);
  layer.bindPopup(popup);
}