CSV on a GL map!

Using @tmcw's csv2geojson to add points from a CSV to a Mapbox GL JS map.

<!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://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js"></script>
    <script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.38.0/mapbox-gl.js'></script>
    <link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.38.0/mapbox-gl.css' rel='stylesheet' />
    <script src='csv2geojson.js'></script>
    <style>
        body { margin:0; padding:0; }
        #map { position:absolute; top:0; bottom:0; width:100%; }
    </style>
</head>
<body>

<div id='map'></div>
<script>
mapboxgl.accessToken = 'pk.eyJ1IjoiZGFuc3dpY2siLCJhIjoiY2l1dTUzcmgxMDJ0djJ0b2VhY2sxNXBiMyJ9.25Qs4HNEkHubd4_Awbd8Og';
var map = new mapboxgl.Map({
    container: 'map', // container id
    style: 'mapbox://styles/mapbox/streets-v8', //stylesheet location
    center: [ -89.89709901792442, 41.29146740952274], // starting position
    zoom: 3 // starting zoom
});

$(document).ready(function() {
    $.ajax({
        type: "GET",
        url: './airports.csv',
        dataType: "text",
        success: function(csvData) {makeGeoJSON(csvData);}
     });
});

function makeGeoJSON(csvData) {
    csv2geojson.csv2geojson(csvData, {
        latfield: 'latitude',
        lonfield: 'longitude',
        delimiter: ','
    }, function(err, data) {
        map.on('load', function () {

map.addLayer({
                'id': 'airports',
                'type': 'symbol',
                'source': {
                    'type': 'geojson',
                    'data': data
                },
                'layout': {
                    "icon-image": "marker-15"
                },
                'paint': {}
            });
        });    
    });
}
</script>

</body>
</html>

https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js

https://api.tiles.mapbox.com/mapbox-gl-js/v0.38.0/mapbox-gl.js