御宅暴君
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From 5 Twitter Batch Operations with a few Lines of Javascript by Elchanan Shor
let followers, following;
start.followersIDs(ME).//load followers
do((output)=>followers=output).//set followers variable
followingIDs(ME).//load following
do((output)=>following=output).//set following variable
do(()=>{
console.log(‘followers:’,followers.length);
console.log(‘I follow:’,following.length);
console.log(“Follow me that I don’t follow back:”, Collection(followers).drop(following).count());//use Collection function to create dstools collection and use its functions such as `drop`
console.log(“Don’t follow me back:”, Collection(following).drop(followers).count());
});