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Add Dragstart Event Listener on Google Maps

In this example you will learn how to add Dragstart Event Listener to google map. This event fired when the user starts dragging the map.

Here you can view the output of the example and you can also "try it yourself" by clicking on "Live Demo" button given at the bottom.

Syntax

//Adding dragstart event listener here
  map.addListener('dragstart', function() {  
    document.getElementById('panel').innerHTML  = 'Dragstart Event';
    window.setTimeout(function() {  
      document.getElementById('panel').innerHTML = '';
    }, 2000);  
  });

Add Dragstart Event Listener on Google Maps Example

<!DOCTYPE html>  
<html>  
  <head>  <!-- www.techstrikers.com -->  
    <title>Dragstart Event</title>  
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">  
    <meta charset="utf-8">  
    <style>  
      html, body {  
        height: 100%;  
        margin: 0;  
        padding: 0;  
      }  
      #map {  
        height: 99%;
        width: 99%;
      }
#panel {    
  position: absolute;    
  top: 230px;    
  left: 40%;    
  z-index: 5;    
  padding: 0px;    
  border: 0px solid #999;    
  text-align: center; 
  background:#0000FF;
  width:150px;
  color:#fff;
}    
 
#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>  
    
    <script src="https://maps.googleapis.com/maps/api/js?signed_in=true&callback=initMap" async defer>  
    </script>  
    <script>  
function initMap() {  
  var lat_lng = {lat: 22.08672, lng: 79.42444};   
  
  var map = new google.maps.Map(document.getElementById('map'), {  
    zoom: 6,  
    center: lat_lng  
  });  
  //Adding dragstart event listener here
  map.addListener('dragstart', function() {  
    document.getElementById('panel').innerHTML  = 'Dragstart Event';
    window.setTimeout(function() {  
      document.getElementById('panel').innerHTML = '';
    }, 2000);  
  });  
}  
  </script>  
  </head>  
  <body> 
    <div id="panel"></div>
    <div id="map"></div>  
  </body>  
</html>

Above example will produce following output