setbit.js

const redis = require('redis');
const client = redis.createClient(/* your configuration info */);
const multi = client.multi();
// Create three articles with randomized hits representing user views
let id = 100000;
while(id--) {
    multi.SETBIT('article1:today', id, Math.round(Math.random(1)));
    multi.SETBIT('article2:today', id, Math.round(Math.random(1)));
    multi.SETBIT('article3:today', id, Math.round(Math.random(1)));
}
multi.exec(err => {
    // done
})