jsonp
        Requests a resource using JSONP.
    
    
    
    
    
    
        
| Name | Type | Default | Description | 
|---|---|---|---|
url | 
            
            String | The URL to request. | |
options.parameters | 
            
            Object | optional Any extra query parameters to append to the URL. | |
options.callbackParameterName | 
            
            String | 
                
                    'callback'
                
                 | 
            
            optional 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:
    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
});
    
    
    
    
    See:
        Source: 
        Core/jsonp.js, line 40
    
    
