nl_tokens: Handle properties of on [ event ] type .
pl_tokens: function ( dispatches ) { var self = this ; this . bind ( dispatches . join ( ' ' ) , function ( e ) { var <mask> = 'on' + e . type . toLowerCase ( ) ; if ( Basic . typeOf ( this [ prop ] ) === 'function' ) { this [ prop ] . apply ( this , arguments ) ; } } ) ; // object must have defined event properties, even if it doesn't make use of them Basic . each ( dispatches , function ( prop ) { prop = 'on' + prop . toLowerCase ( prop ) ; if ( Basic . typeOf ( self [ prop ] ) === 'undefined' ) { self [ prop ] = null ; } } ) ; }