loadkml3.html

<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>Imported data with custom tooltips</title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<script src='https://api.mapbox.com/mapbox.js/v3.1.1/mapbox.js'></script>
<link href='https://api.mapbox.com/mapbox.js/v3.1.1/mapbox.css' rel='stylesheet' />
<style>
  body { margin:0; padding:0; }
  #map { position:absolute; top:0; bottom:0; width:100%; }
</style>
</head>
<body>
<script src='https://api.mapbox.com/mapbox.js/plugins/leaflet-omnivore/v0.2.0/leaflet-omnivore.min.js'></script>

<div id='map'></div>

<script>
mapboxgl.accessToken = 'pk.eyJ1IjoiY2hlenVsa2hhaXJpIiwiYSI6ImNqYXlob25nMjEzZHkyd3Noam1jc3EwMm4ifQ.RijbHD5-xQYubqDS9dOjyQ';
var map = new mapboxgl.Map({
    container: 'map', // container id
    style: 'mapbox://styles/mapbox/streets-v9', // stylesheet location
    center: [-74.50, 40], // starting position [lng, lat]
    zoom: 9 // starting zoom
});

// omnivore will AJAX-request this file behind the scenes and parse it:
// note that there are considerations:
// - The file must either be on the same domain as the page that requests it,
//   or both the server it is requested from and the user's browser must
//   support CORS.
var runLayer = omnivore.kml('/mapbox.js/assets/data/line.kml')
    .on('ready', function() {
        map.fitBounds(runLayer.getBounds());

        // After the 'ready' event fires, the GeoJSON contents are accessible
        // and you can iterate through layers to bind custom popups.
        runLayer.eachLayer(function(layer) {
            // See the `.bindPopup` documentation for full details. This
            // dataset has a property called `name`: your dataset might not,
            // so inspect it and customize to taste.
            layer.bindPopup(layer.feature.properties.name);
        });
    })
    .addTo(map);
</script>
</body>
</html>