Watching for change in location
Using the watchPosition function, you can constantly watch and get notification whenever the location of the device changes.
Method summary
watchPosition(callback, options)
- returns – watchID (String)
- params
- callback (function), options (object)
For instance,
<cffunction access="public" name="watchpos" returntype="void" >
<cfscript>
opt=cfclient.geolocation.getOptions();
watchId=cfclient.geolocation.
watchPosition(wtchposcallback,opt);
/*Populating the content of the <div> with the ID divId*/
document.getElementById('divId').innerHTML="Watch Id: "+watchId;
</cfscript>
</cffunction>
<cffunction access="public" name="wtchposcallback" returntype="void" >
<cfargument name="position">
<cfscript>
alert("Longitude "+position.coords.longitude+" Latitude
:"+position.coords.latitude);
</cfscript>
</cffunction>
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Note: We have used alert() in the above example. alert() may not work on iOS devices.
Example
See Using the Geolocation APIs
