Simple Mapbox GL example with a custom vector tile

<!DOCTYPE html>
<html>
<head>
    <meta charset='utf-8' />
    <title></title>
    <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
    <script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.11.1/mapbox-gl.js'></script>
    <link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.11.1/mapbox-gl.css' rel='stylesheet' />
    <style>
        body { margin:0; padding:0; }
        #map { position:absolute; top:0; bottom:0; width:100%; }
			
			#features {
        position: absolute;
        top: 0;
        right: 10px;
				padding: 10px;
				text-align: right;
        overflow: auto;
        background: rgba(255, 255, 255, 0.8);
    }
    </style>
</head>
<body>

<div id='map'></div>
	<pre id='features'></pre>
<script>
	mapboxgl.accessToken = 'pk.eyJ1Ijoic21hcnRtaW5lIiwiYSI6Imt6TUp0cEEifQ.9MrwD6GRlEGj9OTNN-bsRw';
	
	// Basic check for GL support
	if ( !mapboxgl.supported() ) {
		alert('Your browser does not support Mapbox GL');
		// Should add a regular leaflet map here just in case
	} else {
	
		var map = new mapboxgl.Map({
				container: 'map', // container id
				style: 'mapbox://styles/mapbox/light-v8', //stylesheet location
				center: [-121.3, 44.05], // starting position
				zoom: 11, // starting zoom
				minzoom: 11
		});

map.on('style.load', function() {
//			map.addSource('terrain-data', {
//				type: 'vector',
//				url: 'mapbox://mapbox.mapbox-terrain-v2'
//			});
//			map.addLayer({
//				"id": "terrain-data",
//				"type": "line",
//				"source": "terrain-data",
//				"source-layer": "contour",
//				"layout": {
//					"line-join": "round",
//					"line-cap": "round"
//				},
//				"paint": {
//					"line-color": "#ff69b4",
//					"line-width": 1
//				}
//			})
			
			map.addSource('deschutes-taxlots', {
				type: 'vector',
				url: 'mapbox://smartmine.5tf8jd3t'
			});
			
			var taxlots = map.addLayer({
				"id": "deschutes-taxlots",
				"source": "deschutes-taxlots",
				"source-layer": "Taxlots",
				"type": "fill",
				"paint": {
					"fill-color": "rgb(122, 160, 180)",
					"fill-opacity": 0.5,
					"fill-line-width": 1.5,
					"fill-outline-color": "#fff"
				},
				"interactive": true
			});
			
			console.log(taxlots);
			
			taxlots.on('mousemove', function (e) {
        taxlots.featuresAt(e.point, {radius: 1}, function (err, features) {
            if (err) throw err;
//						console.log(features);
						
            document.getElementById('features').innerHTML = features.length == 0 ? "No taxlot" : "Taxlot: " + features[0].properties.TAXLOT; // JSON.stringify(features, null, 2);
        });
    	});
			
		});
	 // End mapbox GL section
	}
</script>

</body>
</html>

https://api.tiles.mapbox.com/mapbox-gl-js/v0.11.1/mapbox-gl.js