Remove all the extra tweets that twitter puts into your timeline including ads and likes

removeextratweets.js

/*To use this function, open up Twitter, open a console in dev mode,
paste the function in below, and then run,
var intervalId = window.setInterval(removeGarbage, 1000);
if you wish to stop this removing all the extra tweets every second, 
window.clearInterval(intervalId);
*/
function removeGarbage(){
    var tweets=document.querySelectorAll('.js-stream-item.stream-item.stream-item');
    var tweetsToRemove=Array();
    for (var i=0; i<tweets.length; i++){
        dataJson = JSON.parse(tweets[i].getAttribute('data-suggestion-json'));
        if (dataJson.suggestion_details.suggestion_type == null){
            //this little if condition is to stop threaded tweets being removed
            if(dataJson.tweet_ids!='' && dataJson.scribe_component=='tweet'){
                tweetsToRemove.push(tweets[i]); //this removes all ads
            }
        }
        else if (dataJson.suggestion_details.suggestion_type == "RecycledTweet"){
            tweetsToRemove.push(tweets[i]); // Removes the in case you missed it section
        }
        else if(dataJson.suggestion_details.suggestion_type == "ActivityTweet"){
            tweetsToRemove.push(tweets[i]); // this removes all tweets liked by a person
        }
        else if(dataJson.suggestion_details.suggestion_type == "RecycledTweetInline"){
            tweetsToRemove.push(tweets[i]); //Twitter does this weird thing of bringing back retweets from the past. Nuke em!
        }
        else if(dataJson.suggestion_details.suggestion_type == "RankedOrganicTweet"){
            //All the stuff below is super aggressive. Removes quotes and retweets. Remove either or both the conditions
            //if its too aggressive for your liking
            if(tweets[i].querySelector('span.Icon.Icon--small.Icon--retweeted')!==null){
                tweetsToRemove.push(tweets[i]); // This removes any retweets
            }
            if(tweets[i].querySelector('div.QuoteTweet')!==null){
                tweetsToRemove.push(tweets[i]); // This removes any quoted tweets
            }
        }

    }
    for (var i=0; i<tweetsToRemove.length; i++){
        tweetsToRemove[i].remove(); //this is probably a bad idea. I don't know. It works :D
    }
}