1 <h2 id="overview">Overview</h2> 2 <p> 3 To start retrieving location information, you need to create a location watch 4 by calling $(ref:location.watchLocation), passing in 5 the location watch details via the <code>requestInfo</code> parameter: 6 </p> 7 8 <pre>chrome.location.watchLocation(name, requestInfo);</pre> 9 <p> 10 You also need to add a listener 11 for the $(ref:location.onLocationUpdate) event. 12 Chrome will fire this event after you create your location watch, and 13 it will keep firing the event every time the geographic 14 location of the host machine changes, until you call $(ref:location.clearWatch). 15 </p> 16 <p> 17 Here's sample code 18 to listen for location updates: 19 </p> 20 <pre> 21 chrome.location.onLocationUpdate.addListener(function(position) { 22 console.log(JSON.stringify(position)); 23 }); 24 </pre> 25