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I am advised to reference my layers as variables rather than as functions, so I can order the layers using .bringtofront.

I have tried several combinations of var skull = L.geoJSON(fatalities)etc.) but everything I have tried simply causes all the layers to vanish from the map.

Here's the map: https://pdxcyclesafetymap.neocities.org/

And here's the .js for one of the layers, as it works now:

var skull = L.icon({
    iconUrl: 'images/blackSkull.svg',
    iconSize: [38, 95],
    popupAnchor: [-10, -30],
    }); 

function fatalitiesLayer (feature, 
layer) {
    layer.bindPopup("<h1>Cyclist Fatality</h1><p> "+feature.properties.name+
    "</p>"+feature.properties.description+
    "</p>Date: "+feature.properties.date+ 
    "</p>Location: "+feature.properties.location+ 
    "</p>Cause: "+feature.properties.cause+ 
    "</p>");
    layer.setIcon(skull); 
    }


L.geoJson(fatalities,{
    onEachFeature: fatalitiesLayer
    }).addTo(map);
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  • Just to make things clear, do you want to achieve the ability to use featureGroup? I think this link can be very helpful.
    – NettaB
    Jun 28, 2017 at 11:43
  • For point data you will probably need to use pointToLayer - here's a nice example link
    – NettaB
    Jun 28, 2017 at 12:08
  • I just want to achieve the ability to order my layers - Jun 28, 2017 at 15:45
  • Can you try creating an empty L.featureGroup() for each layer type(skulls, hazards etc) and than add the layers to each featureGroup by example:skulls.layerAdd(layer) in the onEachFeature function? By that you will create a featureGroup for each accident type (a collection of layers is featureGroup
    – NettaB
    Jun 28, 2017 at 16:02
  • I am happy to attempt it: the hard, very hard, part, is figuring out how. Jun 28, 2017 at 16:20

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