Only handle marker if it's there

CHANGELOG.md

@@ -1,6 +1,6 @@
 ### Change Log for Node-RED Worldmap
 
- - v2.38.2 - Better fix for geojson multipoint icons.
+ - v2.38.3 - Better fix for geojson multipoint icons.
  - v2.38.1 - Fix for geojson multipoint icons.
  - v2.38.0 - Return client headers as part of connect message.
  - v2.37.4 - Fix sessionid specific data not to be sent on reload/refresh

README.md

@@ -13,7 +13,7 @@ Feel free to [![](https://img.shields.io/static/v1?label=Sponsor&message=%E2%9D%
 
 ### Updates
 
-- v2.38.2 - Better fix for geojson multipoint icons.
+- v2.38.3 - Better fix for geojson multipoint icons.
 - v2.38.1 - Fix for geojson multipoint icons.
 - v2.38.0 - Return client headers as part of connect message.
 - v2.37.4 - Fix sessionid specific data not to be sent on reload/refresh

package.json

@@ -1,6 +1,6 @@
 {
     "name": "node-red-contrib-web-worldmap",
-    "version": "2.38.2",
+    "version": "2.38.3",
     "description": "A Node-RED node to provide a web page of a world map for plotting things on.",
     "dependencies": {
         "@turf/bezier-spline": "~6.5.0",

worldmap/worldmap.js

@@ -2853,7 +2853,7 @@ function doGeojson(n,g,l,o) {
                 className: "natoicon",
             });
         }
-        else if (feature.properties["marker-symbol"].substr(0,3) === "fa-") {
+        else if (feature.properties.hasOwnProperty("marker-symbol") && feature.properties["marker-symbol"].substr(0,3) === "fa-") {
             try {
                 var col = feature.properties["marker-color"] ?? "#910000";
                 var imod = "";