Es kann losgehen!

Bevor Sie mit der Entwicklung beginnen, lesen Sie bitte unsere Entwicklerdokumentation.

Die Google Maps JavaScript API aktivieren

Zum Einstieg führen wir Sie durch die Google Developers Console, wo Sie vorab Folgendes tun müssen:

  1. Ein Projekt erstellen oder auswählen
  2. Die Google Maps JavaScript API und zugehörige Dienste aktivieren
  3. Zugehörige Schlüssel erstellen
Weiter

Map Puzzle

More complex demo, showing a game with draggable polygons. This demo is best played full screen.

See the draggable polygon demo for a simple demo with draggable polygons.

/**
 * @constructor @struct @final
 */
function PuzzleDemo() {
  /** @private {!Array<google.maps.Polygon>} */
  this.polys_ = [];
  /** @private {string} */
  this.difficulty_ = 'easy';
  /** @private {number} */
  this.count_ = 0;
  /** @private {?Element} */
  this.pieceDiv_ = null;
  /** @private {?Element} */
  this.timeDiv_ = null;
}

/**
 * @private {number}
 */
PuzzleDemo.NUM_PIECES_ = 10;

/**
 * @private {string}
 */
PuzzleDemo.START_COLOR_ = '#3c79de';

/**
 * @private {string}
 */
PuzzleDemo.END_COLOR_ = '#037e29';

/**
 * @param {!google.maps.Map} map
 */
PuzzleDemo.prototype.init = function(map) {
  this.map_ = map;
  this.createMenu_(map);
  this.setDifficultyStyle_();
 this.loadData_();
};

/**
 * @param {!google.maps.Map} map
 */
PuzzleDemo.prototype.createMenu_ = function(map) {
  var menuDiv = document.createElement('div');
  menuDiv.style.cssText =
      'margin: 40px 10px; border-radius: 8px; height: 320px; width: 180px;' +
      'background-color: white; font-size: 14px; font-family: Roboto;' +
      'text-align: center; color: grey;line-height: 32px; overflow: hidden';
  var titleDiv = document.createElement('div');
  titleDiv.style.cssText =
      'width: 100%; background-color: #4285f4; color: white; font-size: 20px;' +
      'line-height: 40px;margin-bottom: 24px';
  titleDiv.innerText = 'Game Options';
  var pieceTitleDiv = document.createElement('div');
  pieceTitleDiv.innerText = 'PIECE:';
  pieceTitleDiv.style.fontWeight = '800';
  var pieceDiv = this.pieceDiv_ = document.createElement('div');
  pieceDiv.innerText = '0 / ' + PuzzleDemo.NUM_PIECES_;
  var timeTitleDiv = document.createElement('div');
  timeTitleDiv.innerText = 'TIME:';
  timeTitleDiv.style.fontWeight = '800';
  var timeDiv = this.timeDiv_ = document.createElement('div');
  timeDiv.innerText = '0.0 seconds';
  var difficultyTitleDiv = document.createElement('div');
  difficultyTitleDiv.innerText = 'DIFFICULTY:';
  difficultyTitleDiv.style.fontWeight = '800';
  var difficultySelect = document.createElement('select');
  ['Easy', 'Moderate', 'Hard', 'Extreme'].forEach(function(level) {
    var option = document.createElement('option');
    option.value = level.toLowerCase();
    option.innerText = level;
    difficultySelect.appendChild(option);
  });
  difficultySelect.style.cssText =
      'border: 2px solid lightgrey; background-color: white; color: #4275f4;' +
      'padding: 6px;';
  difficultySelect.onchange = function() {
    this.setDifficulty_(difficultySelect.value);
    this.resetGame_();
  }.bind(this);
  var resetDiv = document.createElement('div');
  resetDiv.innerText = 'Reset';
  resetDiv.style.cssText =
      'cursor: pointer; border-top: 1px solid lightgrey; margin-top: 18px;' +
      'color: #4275f4; line-height: 40px; font-weight: 800';
  resetDiv.onclick = this.resetGame_.bind(this);
  menuDiv.appendChild(titleDiv);
  menuDiv.appendChild(pieceTitleDiv);
  menuDiv.appendChild(pieceDiv);
  menuDiv.appendChild(timeTitleDiv);
  menuDiv.appendChild(timeDiv);
  menuDiv.appendChild(difficultyTitleDiv);
  menuDiv.appendChild(difficultySelect);
  menuDiv.appendChild(resetDiv);
  map.controls[google.maps.ControlPosition.TOP_LEFT].push(menuDiv);
};

/**
 * @param {!google.maps.Map} map
 */
PuzzleDemo.prototype.render = function(map) {

  if (!this.dataLoaded_) {
    return;
  }
  this.start_();
};

/**
 * @private
 */
PuzzleDemo.prototype.loadData_ = function() {
  var xmlhttpRequest = new XMLHttpRequest;
  xmlhttpRequest.onreadystatechange = function() {
    if (xmlhttpRequest.status != 200 ||
        xmlhttpRequest.readyState != XMLHttpRequest.DONE) return;
    this.loadDataComplete_(JSON.parse(xmlhttpRequest.responseText));
  }.bind(this);
  xmlhttpRequest.open(
      'GET', 'https://storage.googleapis.com/mapsdevsite/json/puzzle.json',
      true);
  xmlhttpRequest.send(null);
};

/**
 * @param {!Array<{
 *     bounds: !Array<!Array<number>>,
 *     name: string,
 *     start: !Array<string>,
 *     end: !Array<string>
 * }> data
 * @private
 */
PuzzleDemo.prototype.loadDataComplete_ = function(data) {
  this.dataLoaded_ = true;
  this.countries_ = data;
  this.start_();
};

/**
 * @param {string} difficulty
 * @private
 */
PuzzleDemo.prototype.setDifficulty_ = function(difficulty) {
  this.difficulty_ = difficulty;

  if (this.map_) {
    this.setDifficultyStyle_();
  }
};

/**
 * @private
 */
PuzzleDemo.prototype.setDifficultyStyle_ = function() {
  var styles = {
    'easy': [
      {
        stylers: [
          { visibility: 'off' }
        ]
      },{
        featureType: 'water',
        stylers: [
            { visibility: 'on' },
            { color: '#d4d4d4' }
        ]
      },{
        featureType: 'landscape',
        stylers: [
          { visibility: 'on' },
          { color: '#e5e3df' }
        ]
      }, {
        featureType: 'administrative.country',
        elementType: 'labels',
        stylers: [
         { visibility: 'on' }
        ]
      }, {
        featureType: 'administrative.country',
        elementType: 'geometry',
        stylers: [
         { visibility: 'on' },
         { weight: 1.3 }
        ]
      }
    ],
    'moderate': [
      {
        stylers: [
          { visibility: 'off' }
        ]
      },{
        featureType: 'water',
        stylers: [
            { visibility: 'on' },
            { color: '#d4d4d4' }
        ]
      },{
        featureType: 'landscape',
        stylers: [
          { visibility: 'on' },
          { color: '#e5e3df' }
        ]
      }, {
        featureType: 'administrative.country',
        elementType: 'labels',
        stylers: [
         { visibility: 'on' }
        ]
      }
    ],
    'hard': [
      {
        stylers: [
          { visibility: 'off' }
        ]
      },{
        featureType: 'water',
        stylers: [
            { visibility: 'on' },
            { color: '#d4d4d4' }
        ]
      },{
        featureType: 'landscape',
        stylers: [
          { visibility: 'on' },
          { color: '#e5e3df' }
        ]
      }
    ],
    'extreme': [
      {
        elementType: 'geometry',
        stylers: [
          { visibility: 'off' }
        ]
      }
    ]
  };

  this.map_.set('styles', styles[this.difficulty_]);
};

/**
 * @private
 */
PuzzleDemo.prototype.resetGame_ = function() {
  this.removeCountries_();
  this.count_ = 0;
  this.setCount_();
  this.startClock_();

  this.addRandomCountries_();
};

/**
 * @private
 */
PuzzleDemo.prototype.setCount_ = function() {
  this.pieceDiv_.innerText = this.count_ + ' / ' + PuzzleDemo.NUM_PIECES_;

  if (this.count_ == PuzzleDemo.NUM_PIECES_) {
    this.stopClock_();
  }
};

/**
 * @private
 */
PuzzleDemo.prototype.stopClock_ = function() {
  window.clearInterval(this.timer_);
};

/**
 * @private
 */
PuzzleDemo.prototype.startClock_ = function() {
  this.stopClock_();

  var timeDiv = this.timeDiv_;
  if (timeDiv) timeDiv.textContent = '0.0 seconds';
  var t = new Date;

  this.timer_ = window.setInterval(function() {
    var diff = new Date - t;
    if (timeDiv) timeDiv.textContent = (diff / 1000).toFixed(2) + ' seconds';
  }, 100);
};

/**
 * @private
 */
PuzzleDemo.prototype.addRandomCountries_ = function() {
  // Shuffle countries
  this.countries_.sort(function() {
    return Math.round(Math.random()) - 0.5;
  });

  var countries = this.countries_.slice(0, PuzzleDemo.NUM_PIECES_);
  for (var i = 0, country; country = countries[i]; i++) {
    this.addCountry_(country);
  }
};

/**
 * @param {{
 *   bounds: !Array<!Array<number>>,
 *   name: string,
 *   start: !Array<string>,
 *   end: !Array<string>
 * }} country
 * @private
 */
PuzzleDemo.prototype.addCountry_ = function(country) {
  var options = {
    strokeColor: PuzzleDemo.START_COLOR_,
    strokeOpacity: 0.8,
    strokeWeight: 2,
    fillColor: PuzzleDemo.START_COLOR_,
    fillOpacity: 0.35,
    geodesic: true,
    map: this.map_,
    draggable: true,
    zIndex: 2,
    paths: country.start.map(google.maps.geometry.encoding.decodePath),
  };

  var poly = new google.maps.Polygon(options);
  google.maps.event.addListener(poly, 'dragend', function() {
    this.checkPosition_(poly, country);
  }.bind(this));

  this.polys_.push(poly);
};

/**
 * Checks that every point in the polygon is inside the bounds.
 * @param {!Array<number>} bounds
 * @param {!google.maps.Polygon} poly
 * @returns {boolean}
 */
PuzzleDemo.prototype.boundsContainsPoly_ = function(bounds, poly) {
  var b = new google.maps.LatLngBounds(
      new google.maps.LatLng(bounds[0][0], bounds[0][1]),
      new google.maps.LatLng(bounds[1][0], bounds[1][1]));
  var paths = poly.getPaths().getArray();
  for (var i = 0; i < paths.length; i++) {
    var p = paths[i].getArray();
    for (var j = 0; j < p.length; j++) {
      if (!b.contains(p[j])) {
        return false;
      }
    }
  }
  return true;
};

/**
 * Replace a poly with the correct 'end' position of the country.
 * @param {google.maps.Polygon} poly
 * @param {Object} country
 * @private
 */
PuzzleDemo.prototype.replacePiece_ = function(poly, country) {
  var options = {
    strokeColor: PuzzleDemo.END_COLOR_,
    fillColor: PuzzleDemo.END_COLOR_,
    draggable: false,
    zIndex: 1,
    paths: country.end.map(google.maps.geometry.encoding.decodePath),
  };

  poly.setOptions(options);
  this.count_++;
  this.setCount_();
};

/**
 * @param {google.maps.Polygon} poly
 * @param {Object} country
 * @private
 */
PuzzleDemo.prototype.checkPosition_ = function(poly, country) {
  if (this.boundsContainsPoly_(country.bounds, poly)) {
    this.replacePiece_(poly, country);
  }
};

/**
 * @private
 */
PuzzleDemo.prototype.start_ = function() {
  this.setDifficultyStyle_();
  this.resetGame_();
};

/**
 * @private
 */
PuzzleDemo.prototype.removeCountries_ = function() {
  for (var i = 0, poly; poly = this.polys_[i]; i++) {
    poly.setMap(null);
  };

  this.polys_ = [];
};

function initMap() {
  var map = new google.maps.Map(document.getElementById('map'), {
    disableDefaultUI: true,
    center: {lat: 10, lng: 60},
    zoom: 2
  });

  (new PuzzleDemo).init(map);
}
<div id="map"></div>
/* 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;
}
<!-- Replace the value of the key parameter with your own API key. -->
<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCkUOdZ5y7hMm0yrcCQoCvLwzdM6M8s5qk&libraries=geometry&callback=initMap" async defer></script>


Probieren Sie es selbst aus

Bewegen Sie die Maus oben rechts über den Codeblock, um den Code zu kopieren, oder öffnen Sie ihn in JSFiddle.

<!DOCTYPE html>
<html>
  <head>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
    <title>Map Puzzle</title>
    <style>
      /* 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;
      }
    </style>
  </head>
  <body>
    <div id="map"></div>
    <script>

/**
 * @constructor @struct @final
 */
function PuzzleDemo() {
  /** @private {!Array<google.maps.Polygon>} */
  this.polys_ = [];
  /** @private {string} */
  this.difficulty_ = 'easy';
  /** @private {number} */
  this.count_ = 0;
  /** @private {?Element} */
  this.pieceDiv_ = null;
  /** @private {?Element} */
  this.timeDiv_ = null;
}

/**
 * @private {number}
 */
PuzzleDemo.NUM_PIECES_ = 10;

/**
 * @private {string}
 */
PuzzleDemo.START_COLOR_ = '#3c79de';

/**
 * @private {string}
 */
PuzzleDemo.END_COLOR_ = '#037e29';

/**
 * @param {!google.maps.Map} map
 */
PuzzleDemo.prototype.init = function(map) {
  this.map_ = map;
  this.createMenu_(map);
  this.setDifficultyStyle_();
 this.loadData_();
};

/**
 * @param {!google.maps.Map} map
 */
PuzzleDemo.prototype.createMenu_ = function(map) {
  var menuDiv = document.createElement('div');
  menuDiv.style.cssText =
      'margin: 40px 10px; border-radius: 8px; height: 320px; width: 180px;' +
      'background-color: white; font-size: 14px; font-family: Roboto;' +
      'text-align: center; color: grey;line-height: 32px; overflow: hidden';
  var titleDiv = document.createElement('div');
  titleDiv.style.cssText =
      'width: 100%; background-color: #4285f4; color: white; font-size: 20px;' +
      'line-height: 40px;margin-bottom: 24px';
  titleDiv.innerText = 'Game Options';
  var pieceTitleDiv = document.createElement('div');
  pieceTitleDiv.innerText = 'PIECE:';
  pieceTitleDiv.style.fontWeight = '800';
  var pieceDiv = this.pieceDiv_ = document.createElement('div');
  pieceDiv.innerText = '0 / ' + PuzzleDemo.NUM_PIECES_;
  var timeTitleDiv = document.createElement('div');
  timeTitleDiv.innerText = 'TIME:';
  timeTitleDiv.style.fontWeight = '800';
  var timeDiv = this.timeDiv_ = document.createElement('div');
  timeDiv.innerText = '0.0 seconds';
  var difficultyTitleDiv = document.createElement('div');
  difficultyTitleDiv.innerText = 'DIFFICULTY:';
  difficultyTitleDiv.style.fontWeight = '800';
  var difficultySelect = document.createElement('select');
  ['Easy', 'Moderate', 'Hard', 'Extreme'].forEach(function(level) {
    var option = document.createElement('option');
    option.value = level.toLowerCase();
    option.innerText = level;
    difficultySelect.appendChild(option);
  });
  difficultySelect.style.cssText =
      'border: 2px solid lightgrey; background-color: white; color: #4275f4;' +
      'padding: 6px;';
  difficultySelect.onchange = function() {
    this.setDifficulty_(difficultySelect.value);
    this.resetGame_();
  }.bind(this);
  var resetDiv = document.createElement('div');
  resetDiv.innerText = 'Reset';
  resetDiv.style.cssText =
      'cursor: pointer; border-top: 1px solid lightgrey; margin-top: 18px;' +
      'color: #4275f4; line-height: 40px; font-weight: 800';
  resetDiv.onclick = this.resetGame_.bind(this);
  menuDiv.appendChild(titleDiv);
  menuDiv.appendChild(pieceTitleDiv);
  menuDiv.appendChild(pieceDiv);
  menuDiv.appendChild(timeTitleDiv);
  menuDiv.appendChild(timeDiv);
  menuDiv.appendChild(difficultyTitleDiv);
  menuDiv.appendChild(difficultySelect);
  menuDiv.appendChild(resetDiv);
  map.controls[google.maps.ControlPosition.TOP_LEFT].push(menuDiv);
};

/**
 * @param {!google.maps.Map} map
 */
PuzzleDemo.prototype.render = function(map) {

  if (!this.dataLoaded_) {
    return;
  }
  this.start_();
};

/**
 * @private
 */
PuzzleDemo.prototype.loadData_ = function() {
  var xmlhttpRequest = new XMLHttpRequest;
  xmlhttpRequest.onreadystatechange = function() {
    if (xmlhttpRequest.status != 200 ||
        xmlhttpRequest.readyState != XMLHttpRequest.DONE) return;
    this.loadDataComplete_(JSON.parse(xmlhttpRequest.responseText));
  }.bind(this);
  xmlhttpRequest.open(
      'GET', 'https://storage.googleapis.com/mapsdevsite/json/puzzle.json',
      true);
  xmlhttpRequest.send(null);
};

/**
 * @param {!Array<{
 *     bounds: !Array<!Array<number>>,
 *     name: string,
 *     start: !Array<string>,
 *     end: !Array<string>
 * }> data
 * @private
 */
PuzzleDemo.prototype.loadDataComplete_ = function(data) {
  this.dataLoaded_ = true;
  this.countries_ = data;
  this.start_();
};

/**
 * @param {string} difficulty
 * @private
 */
PuzzleDemo.prototype.setDifficulty_ = function(difficulty) {
  this.difficulty_ = difficulty;

  if (this.map_) {
    this.setDifficultyStyle_();
  }
};

/**
 * @private
 */
PuzzleDemo.prototype.setDifficultyStyle_ = function() {
  var styles = {
    'easy': [
      {
        stylers: [
          { visibility: 'off' }
        ]
      },{
        featureType: 'water',
        stylers: [
            { visibility: 'on' },
            { color: '#d4d4d4' }
        ]
      },{
        featureType: 'landscape',
        stylers: [
          { visibility: 'on' },
          { color: '#e5e3df' }
        ]
      }, {
        featureType: 'administrative.country',
        elementType: 'labels',
        stylers: [
         { visibility: 'on' }
        ]
      }, {
        featureType: 'administrative.country',
        elementType: 'geometry',
        stylers: [
         { visibility: 'on' },
         { weight: 1.3 }
        ]
      }
    ],
    'moderate': [
      {
        stylers: [
          { visibility: 'off' }
        ]
      },{
        featureType: 'water',
        stylers: [
            { visibility: 'on' },
            { color: '#d4d4d4' }
        ]
      },{
        featureType: 'landscape',
        stylers: [
          { visibility: 'on' },
          { color: '#e5e3df' }
        ]
      }, {
        featureType: 'administrative.country',
        elementType: 'labels',
        stylers: [
         { visibility: 'on' }
        ]
      }
    ],
    'hard': [
      {
        stylers: [
          { visibility: 'off' }
        ]
      },{
        featureType: 'water',
        stylers: [
            { visibility: 'on' },
            { color: '#d4d4d4' }
        ]
      },{
        featureType: 'landscape',
        stylers: [
          { visibility: 'on' },
          { color: '#e5e3df' }
        ]
      }
    ],
    'extreme': [
      {
        elementType: 'geometry',
        stylers: [
          { visibility: 'off' }
        ]
      }
    ]
  };

  this.map_.set('styles', styles[this.difficulty_]);
};

/**
 * @private
 */
PuzzleDemo.prototype.resetGame_ = function() {
  this.removeCountries_();
  this.count_ = 0;
  this.setCount_();
  this.startClock_();

  this.addRandomCountries_();
};

/**
 * @private
 */
PuzzleDemo.prototype.setCount_ = function() {
  this.pieceDiv_.innerText = this.count_ + ' / ' + PuzzleDemo.NUM_PIECES_;

  if (this.count_ == PuzzleDemo.NUM_PIECES_) {
    this.stopClock_();
  }
};

/**
 * @private
 */
PuzzleDemo.prototype.stopClock_ = function() {
  window.clearInterval(this.timer_);
};

/**
 * @private
 */
PuzzleDemo.prototype.startClock_ = function() {
  this.stopClock_();

  var timeDiv = this.timeDiv_;
  if (timeDiv) timeDiv.textContent = '0.0 seconds';
  var t = new Date;

  this.timer_ = window.setInterval(function() {
    var diff = new Date - t;
    if (timeDiv) timeDiv.textContent = (diff / 1000).toFixed(2) + ' seconds';
  }, 100);
};

/**
 * @private
 */
PuzzleDemo.prototype.addRandomCountries_ = function() {
  // Shuffle countries
  this.countries_.sort(function() {
    return Math.round(Math.random()) - 0.5;
  });

  var countries = this.countries_.slice(0, PuzzleDemo.NUM_PIECES_);
  for (var i = 0, country; country = countries[i]; i++) {
    this.addCountry_(country);
  }
};

/**
 * @param {{
 *   bounds: !Array<!Array<number>>,
 *   name: string,
 *   start: !Array<string>,
 *   end: !Array<string>
 * }} country
 * @private
 */
PuzzleDemo.prototype.addCountry_ = function(country) {
  var options = {
    strokeColor: PuzzleDemo.START_COLOR_,
    strokeOpacity: 0.8,
    strokeWeight: 2,
    fillColor: PuzzleDemo.START_COLOR_,
    fillOpacity: 0.35,
    geodesic: true,
    map: this.map_,
    draggable: true,
    zIndex: 2,
    paths: country.start.map(google.maps.geometry.encoding.decodePath),
  };

  var poly = new google.maps.Polygon(options);
  google.maps.event.addListener(poly, 'dragend', function() {
    this.checkPosition_(poly, country);
  }.bind(this));

  this.polys_.push(poly);
};

/**
 * Checks that every point in the polygon is inside the bounds.
 * @param {!Array<number>} bounds
 * @param {!google.maps.Polygon} poly
 * @returns {boolean}
 */
PuzzleDemo.prototype.boundsContainsPoly_ = function(bounds, poly) {
  var b = new google.maps.LatLngBounds(
      new google.maps.LatLng(bounds[0][0], bounds[0][1]),
      new google.maps.LatLng(bounds[1][0], bounds[1][1]));
  var paths = poly.getPaths().getArray();
  for (var i = 0; i < paths.length; i++) {
    var p = paths[i].getArray();
    for (var j = 0; j < p.length; j++) {
      if (!b.contains(p[j])) {
        return false;
      }
    }
  }
  return true;
};

/**
 * Replace a poly with the correct 'end' position of the country.
 * @param {google.maps.Polygon} poly
 * @param {Object} country
 * @private
 */
PuzzleDemo.prototype.replacePiece_ = function(poly, country) {
  var options = {
    strokeColor: PuzzleDemo.END_COLOR_,
    fillColor: PuzzleDemo.END_COLOR_,
    draggable: false,
    zIndex: 1,
    paths: country.end.map(google.maps.geometry.encoding.decodePath),
  };

  poly.setOptions(options);
  this.count_++;
  this.setCount_();
};

/**
 * @param {google.maps.Polygon} poly
 * @param {Object} country
 * @private
 */
PuzzleDemo.prototype.checkPosition_ = function(poly, country) {
  if (this.boundsContainsPoly_(country.bounds, poly)) {
    this.replacePiece_(poly, country);
  }
};

/**
 * @private
 */
PuzzleDemo.prototype.start_ = function() {
  this.setDifficultyStyle_();
  this.resetGame_();
};

/**
 * @private
 */
PuzzleDemo.prototype.removeCountries_ = function() {
  for (var i = 0, poly; poly = this.polys_[i]; i++) {
    poly.setMap(null);
  };

  this.polys_ = [];
};

function initMap() {
  var map = new google.maps.Map(document.getElementById('map'), {
    disableDefaultUI: true,
    center: {lat: 10, lng: 60},
    zoom: 2
  });

  (new PuzzleDemo).init(map);
}
    </script>
    <script src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&libraries=geometry&callback=initMap"
        async defer></script>
  </body>
</html>

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Google Maps JavaScript API
Google Maps JavaScript API