Error ReplyError: Ready check failed: NOAUTH Authentication required. code example

Example: Ready check failed: NOAUTH Authentication required.

const redis = require('redis');
const redisPassword = "password" ; 
const client = redis.createClient({
          host : '127.0.0.1',  
          no_ready_check: true,
          auth_pass: redisPassword,                                                                                                                                                           
});