Timestamp omzetten naar seconden ipv milliseconden

src/main/resources/static/main.js

@@ -220,7 +220,8 @@ class Location {
     }
 
     age() {
-        return Date.now() - this.pos.timestamp;
+        let dt = ((Date.now() - this.pos.timestamp) / 1000).toFixed(0)
+        return dt > 0 ? dt : 0;
     }
 
     lat() {
@@ -233,7 +234,7 @@ class Location {
 
     string() {
         return "(" + this.lat() + ", " + this.lon() + ")"
-        + " +-" + this.accuracy() + "m, " + Date.now() + " " + this.pos.timestamp + "s geleden"
+        + " +-" + this.accuracy() + "m, " + this.age() + "s geleden"
     }
 }