Angellist find friends: Add only those who are on angellist

// use on page that says: "Select Slack contacts you want to connect with"
for (var i=0; i<5295; i++) {
    if ($('.picker-pic img')[i].getAttribute('alt') === "Nopic") {
        $($('.friend_container ul li')[i]).hide()
    }
    if ($('.picker-pic img')[i].getAttribute('alt') !== "Nopic") {
        $($('.friend_container ul li')[i]).click()
    }
}