Creating a map using the HERE Maps Javascript API

here.js

var platform = new H.service.Platform({
    useCIT: true,
    app_id: '{YOUR_APP_ID}', // // <-- ENTER YOUR APP ID HERE
    app_code: '{YOUR_APP_CODE}', // <-- ENTER YOUR APP CODE HERE
});
var maptypes = platform.createDefaultLayers();

var map = new H.Map(document.getElementById('map'), maptypes.terrain.map, {
    zoom: 9,
    center: { lat: 41.884238, lng: -87.638862 }
});

var ui = H.ui.UI.createDefault(map, maptypes);

var mapevents = new H.mapevents.MapEvents(map);
var behavior = new H.mapevents.Behavior(mapevents);