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[javascript] 구글맵 api 마커 삭제 예제 Google map API Remove Markers 본문

개발/Javascript

[javascript] 구글맵 api 마커 삭제 예제 Google map API Remove Markers

featur 2015. 11. 2. 16:50

 

구글맵 api 마커 삭제 예제 Google map API Remove Markers

https://developers.google.com/maps/documentation/javascript/examples/marker-remove?hl=ko-KRChoosing

 

 

<html>
  <head>
    <title>Remove Markers</title>
    <style>
      html, body {
        height: 100%;
        margin: 0;
        padding: 0;
      }
      #map {
        height: 100%;
      }
#panel {
  position: absolute;
  top: 10px;
  left: 25%;
  z-index: 5;
  background-color: #fff;
  padding: 5px;
  border: 1px solid #999;
  text-align: center;
}

/**
 * Provide the following styles for both ID and class, where ID represents an
 * actual existing "panel" with JS bound to its name, and the class is just
 * non-map content that may already have a different ID with JS bound to its
 * name.
 */

#panel, .panel {
  font-family: 'Roboto','sans-serif';
  line-height: 30px;
  padding-left: 10px;
}

#panel select, #panel input, .panel select, .panel input {
  font-size: 15px;
}

#panel select, .panel select {
  width: 100%;
}

#panel i, .panel i {
  font-size: 12px;
}

    </style>
  </head>
  <body>
    <div id="panel">
      <input onclick="clearMarkers();" type="button" value="Hide Markers" />
      <input onclick="showMarkers();" type="button" value="Show All Markers" />
      <input onclick="deleteMarkers();" type="button" value="Delete Markers" />
    </div>
<div id="map">
</div>
Click on the map to add markers.


    <script>

// In the following example, markers appear when the user clicks on the map.
// The markers are stored in an array.
// The user can then click an option to hide, show or delete the markers.
var map;
var markers = [];

function initMap() {
  var haightAshbury = {lat: 37.769, lng: -122.446};

  map = new google.maps.Map(document.getElementById('map'), {
    zoom: 12,
    center: haightAshbury,
    mapTypeId: google.maps.MapTypeId.TERRAIN
  });

  // This event listener will call addMarker() when the map is clicked.
  map.addListener('click', function(event) {
    addMarker(event.latLng);
  });

  // Adds a marker at the center of the map.
  addMarker(haightAshbury);
}

// Adds a marker to the map and push to the array.
function addMarker(location) {
  var marker = new google.maps.Marker({
    position: location,
    map: map
  });
  markers.push(marker);
}

// Sets the map on all markers in the array.
function setMapOnAll(map) {
  for (var i = 0; i < markers.length; i++) {
    markers[i].setMap(map);
  }
}

// Removes the markers from the map, but keeps them in the array.
function clearMarkers() {
  setMapOnAll(null);
}

// Shows any markers currently in the array.
function showMarkers() {
  setMapOnAll(map);
}

// Deletes all markers in the array by removing references to them.
function deleteMarkers() {
  clearMarkers();
  markers = [];
}

    </script>
    <script async="" defer="" src="https://maps.googleapis.com/maps/api/js?signed_in=true&amp;callback=initMap"></script>
  </body>
</html>

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