Visualizing time on a feature layer

Filtering a feature layer within a certain time range. Try dates between January 3, 1998, and January 25, 1998. More information about Feature Layers can be found in the L.esri.FeatureLayer documentation.

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8" />
  <title>Visualizing time on a feature layer</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 Vector from CDN -->
  <script src="https://unpkg.com/esri-leaflet-vector@4.0.0/dist/esri-leaflet-vector.js"
    integrity="sha512-EMt/tpooNkBOxxQy2SOE1HgzWbg9u1gI6mT23Wl0eBWTwN9nuaPtLAaX9irNocMrHf0XhRzT8B0vXQ/bzD0I0w=="
    crossorigin=""></script>

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

<style>
  #time-ranges {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 1000;
    padding: 1em;
    background: white;
  }
  #time-ranges input {
    display: inline-block;
    border: 1px solid #999;
    font-size: 14px;
    border-radius: 4px;
    height: 28px;
    line-height: 28px;
  }
  #time-ranges input[type='submit'] {
    box-sizing: content-box;
    padding: 0 1em;
    text-transform: uppercase;
    color: white;
    background: #5C7DB8;
    border-color: #5C7DB8;
  }
</style>

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

<div id="time-ranges" class="leaflet-bar">
  <form action="#" id="form">
    <label for="from">
      From
      <input id="from" type="date" value="1998-01-10" name="from">
    </label>
    <label for="to">
      To
      <input  id="to" type="date" value="1998-01-15" name="to">
    </label>
    <input type="submit" value="Update">
  </form>
</div>

<script>
  var timeForm = document.getElementById('form');
  var startTimeInput = document.getElementById('from');
  var endTimeInput = document.getElementById('to');

  var map = L.map('map').setView([45.48, -122.80], 12);

  L.esri.Vector.vectorBasemapLayer('ArcGIS:LightGray', {
    apikey: apiKey // Replace with your API key - https://developers.arcgis.com
  }).addTo(map);

  var emergencyCalls = L.esri.featureLayer({
    url: 'https://sampleserver6.arcgisonline.com/arcgis/rest/services/911CallsHotspot/MapServer/1',
    timeField: 'Date',
    from: new Date(startTimeInput.value),
    to: new Date(endTimeInput.value)
  }).addTo(map);

  timeForm.addEventListener('submit', function updateTimeRange (e) {
    emergencyCalls.setTimeRange(new Date(startTimeInput.value), new Date(endTimeInput.value));
    e.preventDefault();
  });
</script>

</body>
</html>

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