You can use the .bindPopup() method to bind a desired attribute to the popup, with the use of an .onEachFeature() function. See below. Examples can be found here.

function onEachFeature(feature, layer) {
    if (feature.properties && feature.properties.NAME) {
        layer.bindPopup(feature.properties.NAME);
    }
}

geojsonFeatures = "county_coords.geojson"

L.geoJSON(geojsonFeatures, {
    onEachFeature: onEachFeature
}).addTo(map);

You can use the .bindPopup() method to bind a desired attribute to the popup, with the use of an .onEachFeature() function. See below. Examples can be found here.

function onEachFeature(feature, layer) {
    if (feature.properties && feature.properties.NAME) {
        layer.bindPopup(feature.properties.NAME);
    }
}

function addDataToMap(data, map) {
    L.geoJson(data, {
        onEachFeature: onEachFeature
    }).addTo(map);   
}

$.getJSON("county_coords.geojson", function(data) { 
    addDataToMap(data, mymap); 
});

You can use the .bindPopup method to bind a desired attribute to the popup, with the use of an onEachFeature function. See below. Examples can be found here.

function onEachFeature(feature, layer) {
    if (feature.properties && feature.properties.NAME) {
        layer.bindPopup(feature.properties.NAME);
    }
}

geojsonFeatures = "county_coords.geojson"

L.geoJSON(geojsonFeatures, {
    onEachFeature: onEachFeature
}).addTo(map);

You can use the .bindPopup() method to bind a desired attribute to the popup, with the use of an .onEachFeature() function. See below. Examples can be found here.

function onEachFeature(feature, layer) {
    if (feature.properties && feature.properties.NAME) {
        layer.bindPopup(feature.properties.NAME);
    }
}

geojsonFeatures = "county_coords.geojson"

L.geoJSON(geojsonFeatures, {
    onEachFeature: onEachFeature
}).addTo(map);