Add markers on the fly to geoJSON array with mapbox-gl-js -

i've seen several examples of mapbox maps multiple markers marker locations pre-programmed geojson array such 1 here.

i'd able add marker map via method , keep existing markers. markers created built-in geocoder search. seems possible old mapbox.js along lines of this:

l.geojson(geojsonfeature, { ... }).addto(map); 

however, cannot seem find documentation such method/functionality mapbox-gl-js. i'd able keep track of these markers , edit/delete them in fiddle. missing something?

here current code works 1 marker. if add new marker, replaces old. i'd keep adding them geocoder hook:

mapboxgl.accesstoken = 'xxx';    var map = new mapboxgl.map({     container: 'map',     style: 'mapbox://styles/mapbox/streets-v9',     center: [-79.4512, 43.6568],     zoom: 13 });  var geocoder = new mapboxgl.geocoder({     container: 'geocoder-container' });  map.addcontrol(geocoder);  map.on('load', function() {     map.addsource('single-point', {         "type": "geojson",         "data": {           "type": "featurecollection",             "features": []         }     });      map.addlayer({         "id": "point",         "source": "single-point",         "type": "circle",         "paint": {             "circle-radius": 5,             "circle-color": "#007cbf"         }     });      var el = document.createelement('div');     el.id = 'marker';     var markerobject;            map.addcontrol(new mapboxgl.navigationcontrol());     geocoder.on('result', function(ev) {        var placename = json.stringify(ev.result.place_name);        console.log(placename);          var popup = new mapboxgl.popup({offset:[0, -30]})            .settext(ev.result.place_name);         markerobject = new mapboxgl.marker(el, {offset:[-25, -25]})          .setlnglat(ev.result.geometry.coordinates)          .setpopup(popup)          .addto(map);    }); }); 

this code structured lines

var el = document.createelement('div'); el.id = 'marker'; var markerobject;    

outside of geocoder.on('result' method. if want new marker added every time callback provided geojson.on('result' fires, issue: you're trying use same div element multiple markers. mapbox gl js doesn't clone or duplicate element you: expectation element argument of new mapboxgl.marker new element.

so, fix issue, move above lines inside of callback geocoder.on('result'.