Searching feature layers

Searches features layers for matching text in addition to geocoding. This demo relies on the Esri Leaflet Geocoder plugin.
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8" />
  <title>Searching feature layers</title>
  <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />

  <!-- Load Leaflet from CDN -->
  <link rel="stylesheet" href="https://unpkg.com/leaflet@1.7.1/dist/leaflet.css"
    integrity="sha512-xodZBNTC5n17Xt2atTPuE1HxjVMSvLVW9ocqUKLsCC5CXdbqCmblAshOMAS6/keqq/sMZMZ19scR4PsZChSR7A=="
    crossorigin=""/>
  <script src="https://unpkg.com/leaflet@1.7.1/dist/leaflet.js"
    integrity="sha512-XQoYMqMTK8LvdxXYG3nZ448hOEQiglfqkJs1NOQV44cWnUrBc8PkAOcXy20w0vlaXaVUearIOBhiXZ5V3ynxwA=="
    crossorigin=""></script>

  <!-- Load Esri Leaflet from CDN -->
  <script src="https://unpkg.com/esri-leaflet@3.0.8/dist/esri-leaflet.js"
    integrity="sha512-E0DKVahIg0p1UHR2Kf9NX7x7TUewJb30mxkxEm2qOYTVJObgsAGpEol9F6iK6oefCbkJiA4/i6fnTHzM6H1kEA=="
    crossorigin=""></script>

  <!-- Load Esri Leaflet Geocoder from CDN -->
  <link rel="stylesheet" href="https://unpkg.com/esri-leaflet-geocoder@3.1.3/dist/esri-leaflet-geocoder.css"
    integrity="sha512-IM3Hs+feyi40yZhDH6kV8vQMg4Fh20s9OzInIIAc4nx7aMYMfo+IenRUekoYsHZqGkREUgx0VvlEsgm7nCDW9g=="
    crossorigin="">
  <script src="https://unpkg.com/esri-leaflet-geocoder@3.1.3/dist/esri-leaflet-geocoder.js"
    integrity="sha512-mwRt9Y/qhSlNH3VWCNNHrCwquLLU+dTbmMxVud/GcnbXfOKJ35sznUmt3yM39cMlHR2sHbV9ymIpIMDpKg4kKw=="
    crossorigin=""></script>

  <style>
    body { margin:0; padding:0; }
    #map { position: absolute; top:0; bottom:0; right:0; left:0; }
  </style>
</head>
<body>

<div id="map"></div>

<script>
  var map = L.map('map').setView([40.91, -96.63], 4);

  L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
    attribution: '&copy; <a href="https://osm.org/copyright">OpenStreetMap</a> contributors'
  }).addTo(map);

  var arcgisOnlineProvider = L.esri.Geocoding.arcgisOnlineProvider({
    apikey: apiKey // replace with your api key - https://developers.arcgis.com
  });

  var gisDayProvider = L.esri.Geocoding.featureLayerProvider({
    url: 'https://services.arcgis.com/BG6nSlhZSAWtExvp/ArcGIS/rest/services/GIS_Day_Registration_Form_2019_Hosted_View_Layer/FeatureServer/0',
    searchFields: ['event_name', 'host_organization'],
    label: 'GIS Day Events 2019',
    bufferRadius: 5000,
    formatSuggestion: function (feature) {
      return feature.properties.event_name + ' - ' + feature.properties.host_organization;
    }
  });

  L.esri.Geocoding.geosearch({
    providers: [arcgisOnlineProvider, gisDayProvider]
  }).addTo(map);
</script>

</body>
</html>
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