Auto Click Unfollow Button Whounfollowedme.org

Whounfollowedme - Mass Action

// Copy and Paste all code to web console browser on page below:
// https://whounfollowedme.org/idontfollowback

function wait(timeout) {
    return new Promise(resolve => {
        setTimeout(resolve, timeout);
    });
}

var btn = document.getElementsByClassName("unfollowButton");
let rand = Math.round(Math.random() * 10000);

for (let index = 0; index < btn.length; index++) {
    const element = btn[index];
    btn[index].click();
    console.log(index);
    //await wait(rand);
}