on( eventName : string, callback : function )

Set a event callback.

Parameters

• eventName String - A valid event name to invoke the defined callback once the event gets fired. Check events section to see all available events.
• callback Function - The function to call every time the event gets fired.

Example

// Fire the callback every time a cookie is saved or created.
oreo.on( 'set', ( ev ) => {
  var cookie = ev.cookie ; // <= OreoCookie
  var index  = ev.cookie_key ; // <= cookie_string
  console.log( `The cookie "${ cookie.key }" has been saved!` ) ;
} ) ;