Retrieve the url(s) of the currently playing video of a playlist in JWPlayer 7

playlistVideoLinks.js

//Wait until jwplayer loads in the browser
jwplayer().on('ready', function(e) {
  
	   //Create the function to be launched based on button click
     $("#playlistDownButton").click(function() {

		     //Get the index of the currently playing video
         var getIndex = jwplayer().getPlaylistIndex();

         //Get the video object based on the index
         var getObject = jwplayer().getPlaylistItem(getIndex);
       
         //Get all sources inside the video object
         var getSources = getObject.allSources;
        
         //Loop inside the source
         for (var i = 0; i < getSources.length; i++) {

		         //Alert every file name in the browser
             window.alert(getSources[i].file);
           
         }

     });

 });