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9.3

how to use setInterval

Asked by onyourmark in JavaScript, Jquery

Tags: javascript jquery setInterval

Hi, I was trying to use the setInterval() function in Javascript but am not getting anywhere. In the code attached there is a function called showAddress() which is called near the end of the page around line 93. This is called within an Ajax call. I am using Ajax to read a file on the server and then parse that file and then use showAddress() to take some of what was read (a location) and then show it on the page (on a map).

I want this showAddress() function to run every minute.

I was trying to use var refreshId = setInterval(function() but cannot get it to work.

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             <html>
      <head>
 
            <script type="text/javascript" src="http://www.google.com/jsapi?key=ABQIAAAAXGp-Wh7RXs1hPKr-7RuuSxTmrZ1BxykKkHNFRnXTFIyBz45ssBTaMI3cqdUcYN1sGvEQiRTn8kLpYg"></script>
            <script type="text/javascript">
            google.load("jquery", '1.3');
            google.load("maps", "2.x");
            var map;
            </script>
            
            <script type="text/javascript" charset="utf-8">
  
 <!-- This is the initialize function. This sets up a map. It is called when the body finishes loading-->
 
    function initialize() {
      if (GBrowserIsCompatible()) {
        map = new GMap2(document.getElementById("map"));
        map.setCenter(new GLatLng(35.67419,139.708736), 2);
        geocoder = new GClientGeocoder();
		map.addControl(new GSmallMapControl());
		map.addControl(new GMap2TypeControl());
      }
 
    }
                  
<!-- This is the showAddress function. It takes a place name (like Tokyo) and displays it on the map  -->
 
function showAddress(address, text) {
var geocoder = new GClientGeocoder();
  geocoder.getLatLng(
    address,
    function(point) {
      if (!point) {
    
      } else {
        map.setCenter(point, 1);
        var marker = new GMarker(point);
        
        marker.openInfoWindowHtml(address);
 
		GEvent.addListener(marker, 'click',
											function() {
											marker.openInfoWindowHtml(text);
														}
							);
		map.addOverlay(marker);					
      }
    }
  );
}
 
     
            </script>
            
            <script> 
                                                     
                              
                        window.onload=function(){
                                                initialize();
 
                  
                                                };
            </script>
            <style type="text/css" media="screen">
                  #map { float:left; width:750px; height:750px; }
 
            </style>
      </head>
      <body> 
            <div id="map"></div>
 
  <script> 
  
 
<!--  within this section we contact the server to read the file (called 'somefile.xml') -->
<!--  then we continue to use jquery to parse the file we have read. If you take a look at -->
<!--   the somefile.xml you will see it has a 'location' tag <location>. So we want to read that-->
<!--   location and then have the showAddress() function show the location on the map.-->
 
 
 
  $(document).ready(function()
{
        $.ajax({        type:"GET"
                                ,url:"somefile.xml"
                                ,dataType:"xml"
                                ,error:function(XMLHttpRequest, textStatus, errorThrown)
                                {
                                        alert(textStatus);
                                }
                                ,success: function(xml)
                                {
                                        var locationText="";
                                        $(xml).find('statuses > status ').each(function()
                                        {
                                                locationText="";
												textText="";
 
                                                locationText += $(this).find('user > location').text();
												//textText += $(this).find('status > text').text();
												textText += $(this).find('text').text();
 
													showAddress(locationText, textText);
                                        });
 
									   
                                }
        });
});
</script>  
                                          
  
 
            
      </body>
</html>

           
         

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how to use setInterval

Asked by onyourmark in JavaScript, Jquery

Tags: javascript jquery setInterval

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