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    <p>Here is another example of multiple markers loading with a unique <code>title</code> and <code>infoWindow</code> text. Tested with the latest google maps API V3.11.</p> <pre><code>&lt;!DOCTYPE html&gt; &lt;html&gt; &lt;head&gt; &lt;meta charset="utf-8"&gt; &lt;meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"&gt; &lt;title&gt;Multiple Markers Google Maps&lt;/title&gt; &lt;script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js"&gt;&lt;/script&gt; &lt;script src="https://maps.googleapis.com/maps/api/js?v=3.11&amp;sensor=false" type="text/javascript"&gt;&lt;/script&gt; &lt;script type="text/javascript"&gt; // check DOM Ready $(document).ready(function() { // execute (function() { // map options var options = { zoom: 5, center: new google.maps.LatLng(39.909736, -98.522109), // centered US mapTypeId: google.maps.MapTypeId.TERRAIN, mapTypeControl: false }; // init map var map = new google.maps.Map(document.getElementById('map_canvas'), options); // NY and CA sample Lat / Lng var southWest = new google.maps.LatLng(40.744656, -74.005966); var northEast = new google.maps.LatLng(34.052234, -118.243685); var lngSpan = northEast.lng() - southWest.lng(); var latSpan = northEast.lat() - southWest.lat(); // set multiple marker for (var i = 0; i &lt; 250; i++) { // init markers var marker = new google.maps.Marker({ position: new google.maps.LatLng(southWest.lat() + latSpan * Math.random(), southWest.lng() + lngSpan * Math.random()), map: map, title: 'Click Me ' + i }); // process multiple info windows (function(marker, i) { // add click event google.maps.event.addListener(marker, 'click', function() { infowindow = new google.maps.InfoWindow({ content: 'Hello, World!!' }); infowindow.open(map, marker); }); })(marker, i); } })(); }); &lt;/script&gt; &lt;/head&gt; &lt;body&gt; &lt;div id="map_canvas" style="width: 800px; height:500px;"&gt;&lt;/div&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>Screenshot of 250 Markers:</p> <p><img src="https://i.stack.imgur.com/D167A.png" alt="Google Maps API V3.11 with Multiple Markers"></p> <p>It will automatically randomize the Lat/Lng to make it unique. This example will be very helpful if you want to test 500, 1000, xxx markers and performance.</p>
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    1. POGoogle Maps JS API v3 - Simple Multiple Marker Example
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    1. USMadan Sapkota
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    1. COBe careful when posting copy and paste boilerplate/verbatim answers to multiple questions, these tend to be flagged as "spammy" by the community. If you're doing this then it usually means the questions are duplicates so flag them as such instead.
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