Place Searches

Sample code for Google Maps Platform JavaScript API author(s): Justin Poehnelt

by Dhanck

HTML

<!DOCTYPE html>
<!--
 @license
 Copyright 2019 Google LLC. All Rights Reserved.
 SPDX-License-Identifier: Apache-2.0
-->
<html>
  <head>
    <title>Place Searches</title>
    <script src="https://polyfill.io/v3/polyfill.min.js?features=default"></script>
    <!-- jsFiddle will insert css and js -->
  </head>
  <body>
    <div id="map"></div>

    <!-- 
     The `defer` attribute causes the callback to execute after the full HTML
     document has been parsed. For non-blocking uses, avoiding race conditions,
     and consistent behavior across browsers, consider loading using Promises
     with https://www.npmjs.com/package/@googlemaps/js-api-loader.
    -->
    <script
      src="https://maps.googleapis.com/maps/api/js?key=AIzaSyB41DRUbKWJHPxaFjMAwdrzWzbVKartNGg&callback=initMap&libraries=places&v=weekly"
      defer
    ></script>
  </body>
</html>

CSS

/**
 * @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0
 */
/* 
 * Always set the map height explicitly to define the size of the div element
 * that contains the map. 
 */
#map {
  height: 100%;
}

/* 
 * Optional: Makes the sample page fill the window. 
 */
html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}

JavaScript

/**
 * @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0
 */
// This example requires the Places library. Include the libraries=places
// parameter when you first load the API. For example:
// <script src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&libraries=places">
let map;
let service;
let infowindow;

function initMap() {
  const madrid = new google.maps.LatLng(-3.703339, 40.416729);

  infowindow = new google.maps.InfoWindow();
  map = new google.maps.Map(document.getElementById("map"), {
    center: madrid,
    zoom: 15,
  });

  const request = {
    query: "Hospitales",
    fields: ["name", "geometry"],
  };

  service = new google.maps.places.PlacesService(map);
  service.findPlaceFromQuery(request, (results, status) => {
    if (status === google.maps.places.PlacesServiceStatus.OK && results) {
      for (let i = 0; i < results.length; i++) {
        createMarker(results[i]);
      }

      map.setCenter(results[0].geometry.location);
    }
  });
}

function createMarker(place) {
  if (!place.geometry || !place.geometry.location) return;

  const marker = new google.maps.Marker({
    map,
    position: place.geometry.location,
  });

  google.maps.event.addListener(marker, "click", () => {
    infowindow.setContent(place.name || "");
    infowindow.open(map);
  });
}

window.initMap = initMap;