jsonp
Requests a resource using JSONP.
Parameters:
| Name | Type | Argument | Default | Description | 
|---|---|---|---|---|
| url | String | The URL to request. | ||
| options.parameters | Object | <optional> | Any extra query parameters to append to the URL. | |
| options.callbackParameterName | String | <optional> | 'callback' | The callback parameter name that the server expects. | 
| options.proxy | Object | <optional> | A proxy to use for the request. This object is expected to have a getURL function which returns the proxied URL, if needed. | 
Returns:
	
	
		Object 
		
		 a promise that will resolve to the requested data when loaded.
         
    
    
        Example
// load a data asynchronously
Cesium.jsonp('some/webservice').then(function(data) {
    // use the loaded data
}, function(error) {
    // an error occurred
});
    
	
	
