JSONP in Coldfusion

gistfile1.cfm

<!--- if present, indicates this is a JSONP crosssite invocation --->
<cfparam name="callback" type="string" default="">
<cfparam name="jsonp" type="string" default="">

<!--- your code, variable "result" will be the json data for caller --->

<cfif callback NEQ ''>
  <!--- JSONP --->
  <cfoutput>#callback#(#serializeJSON(result)#);</cfoutput>
<cfelseif jsonp NEQ ''>
  <!--- JSONP --->
  <cfoutput>#jsonp#(#serializeJSON(result)#);</cfoutput>
<cfelse>
  <!--- the old way --->
  <cfoutput>#serializeJSON(result)#</cfoutput>
</cfif>