Automate deleting twitter direct messages.

delete-twitter-dm.js

// Open direct messages window, paste this into console.
function deleteNextConversation()
{
    if (!(dm = document.getElementsByClassName("DMInbox-conversationItem")[0])) {
        clearInterval(tmr)
        return;
    }

    dm.firstChild.click();
    setTimeout('document.getElementsByClassName("js-actionDeleteConversation")[0].click()', 1000);
    setTimeout('document.getElementById("confirm_dialog_submit_button").click()', 2000);
}

var tmr = setInterval(deleteNextConversation, 3000);