text: 'use strict';
  
  var redis = require('redis');
  var client = redis.createClient();
  
  // zscore: Get the score associated with the given member in a sorted set
  
  client.zadd('myzset', 1, 'one', function (err, res) {
      console.log(res); // 1
  });
  
  client.zscore('myzset', 'one', function (err, res) {
      console.log(res); // 1
  });
  