Learning ColdFusion 8: All Hail The New ++ Operator 

<cfscript>
 
	for (intI = 0 ; intI < 5 ; intI++){
 
		WriteOutput(
			IIF( intI, DE( "," ), DE( "" ) ) &
			intI
			);
 
	}
 
</cfscript>

For Cut-and-Paste