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    <p>This is the simplest I could reduce it to:</p> <pre><code>&lt;!DOCTYPE html&gt; &lt;html&gt; &lt;head&gt; &lt;meta http-equiv="content-type" content="text/html; charset=UTF-8" /&gt; &lt;title&gt;Google Maps Multiple Markers&lt;/title&gt; &lt;script src="http://maps.google.com/maps/api/js?sensor=false" type="text/javascript"&gt;&lt;/script&gt; &lt;/head&gt; &lt;body&gt; &lt;div id="map" style="width: 500px; height: 400px;"&gt;&lt;/div&gt; &lt;script type="text/javascript"&gt; var locations = [ ['Bondi Beach', -33.890542, 151.274856, 4], ['Coogee Beach', -33.923036, 151.259052, 5], ['Cronulla Beach', -34.028249, 151.157507, 3], ['Manly Beach', -33.80010128657071, 151.28747820854187, 2], ['Maroubra Beach', -33.950198, 151.259302, 1] ]; var map = new google.maps.Map(document.getElementById('map'), { zoom: 10, center: new google.maps.LatLng(-33.92, 151.25), mapTypeId: google.maps.MapTypeId.ROADMAP }); var infowindow = new google.maps.InfoWindow(); var marker, i; for (i = 0; i &lt; locations.length; i++) { marker = new google.maps.Marker({ position: new google.maps.LatLng(locations[i][1], locations[i][2]), map: map }); google.maps.event.addListener(marker, 'click', (function(marker, i) { return function() { infowindow.setContent(locations[i][0]); infowindow.open(map, marker); } })(marker, i)); } &lt;/script&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>Screenshot:</p> <p><img src="https://i.imgur.com/mM82YXg.png" alt="Google Maps Multiple Markers"></p> <p>There is some closure magic happening when passing the callback argument to the <code>addListener</code> method. This can be quite a tricky topic, if you are not familiar with how closures work. I would suggest checking out the following Mozilla article for a brief introduction, if it is the case:</p> <ul> <li><a href="https://developer.mozilla.org/en/Core_JavaScript_1.5_Guide/Working_with_Closures" rel="noreferrer">Mozilla Dev Center: Working with Closures</a></li> </ul>
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    1. POGoogle Maps JS API v3 - Simple Multiple Marker Example
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    1. USHalvor Strand
    1. USDaniel Vassallo
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    1. COHi Daniel, Thanks for the trick for multiple markers' event, the same code I used in my application. Everything works fine on "Android", "iPhone" but it doesn't seem to work on "Blackberry 6.0". I think it is not able to register Event for marker objects. Could you please give some suggestions what else can be done in such case? Thanks.
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    2. CO+1. By the way, the `(marker, i)` after the end of the nameless function means you are already calling it passing `marker` and `i` as arguments? But since it's a nameless, shouldn't already run without that? Or not? I'm a bit confused.
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      1. USRaphaelDDL
    3. CO@RaphaelDDL: Yes those parenthesis are needed to actually invoke the nameless function. The arguments need to be passed because of the way JavaScript works (because of closures). See my answer to this question for an example and more info: http://stackoverflow.com/a/2670420/222908
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