See my blog post about this here.
Example using a JavaScript generator function to retrieve members from a Redis set using the SSCAN command.
You will need to be running Redis at 127.0.0.1:6379, or change index.js to point at your Redis server.
$ npm install
$ npm start
The generator should fire three times before Redis has no more set members to return:
Retrieved: shark,viper,herbie,phoenix,sierra,geordie,bear,rocky,ghost,mcqueen,iceman,maverick
Retrieved: vader,crockett,mule,tiger,charlie,panther,rico,wolf,tubbs,astronaut
Retrieved: shepherd,phantom,ripley