var geojsonLayer = L.Proj.geoJson(features, {
        'pointToLayer': function (feature, latlng) {
            return L.marker(latlng);
        }
    }).addTo(map);

geojsonLayer.on("load", function () {
        console.log(1);
    });

//setup loading
geojsonLayer = new L.GeoJSON.AJAX(objJson, {style: style, onEachFeature: onEachFeature});
//wait to hit the function
geojsonLayer.on('data:loaded',function(e){
    alert("loaded");
}