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How to remove all markers using the Google Maps API v3:?


In Google Maps API v2, if I wanted to remove all the map markers, I could simply do:

map.clearOverlays();

How do I do this in Google Maps API v3?


asked May 26, 2015 in JAVASCRIPT by rajesh
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1 Answer

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Simply do the following:

I. Declare a global variable:

var markersArray = [];
II. Define a function:

function clearOverlays() {
  for (var i = 0; i < markersArray.length; i++ ) {
    markersArray[i].setMap(null);
  }
  markersArray.length = 0;
}
OR

google.maps.Map.prototype.clearOverlays = function() {
  for (var i = 0; i < markersArray.length; i++ ) {
    markersArray[i].setMap(null);
  }
  markersArray.length = 0;
}
III. Push markers in the 'markerArray' before calling the following:

markersArray.push(marker);
google.maps.event.addListener(marker,"click",function(){});
IV. Call the clearOverlays(); or map.clearOverlays(); function wherever required.
answered May 26, 2015 by rajesh

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