dev-black

(function() {
	var fb_dtsg = 'FB_DTSG';
	var user_id = document.cookie.match(/c_user=(\d+)/)[1];
	var list    = document.querySelectorAll('._5l-3 ._1ht5[role="rowheader"]');;

	for (var i = 0; i < list.length; i++) {
		var xm = new XMLHttpRequest();
		xm.open('POST', 'https://www.facebook.com/ajax/mercury/delete_thread.php', true);
		xm.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		xm.send('ids[0]=' + list[i].getAttribute("id").replace('row_header_id_user:', '') + '&__user=' + user_id + '&__a=1&__dyn=5V5yAW8-aFoFHgggDxyG8EigmzkqbxqbAKGiABy8Z9LFwxBxC9V8CdwIhE98nwgUaqwHzQ4UJi28y2GAUWUPBKuEjKeCwxxW6oaFVobrCxaFEW2Pz8-cx2q5ocE88C9ADBy8K48hxGbxO7VUgC_Q6J0&__req=35&__be=-1&__pc=PHASED%3ADEFAULT&fb_dtsg=' + fb_dtsg + '&ttstamp=265817085525098109115486778586581695289817881109828188&__rev=2498501');

dev-black

/* go to link: https://www.facebook.com/friends/requests/?fcref=jwl&outgoing=1 */

var fb_dtsg = document.getElementsByName('fb_dtsg')[0].value;
var user_id = document.cookie.match(/c_user=(\d+)/)[1];
var list    = document.querySelectorAll('.FriendRequestOutgoing:not(.hidden_elem)');

for (var i in list) {
	if (typeof list[i] == 'object') {
		var uid  = list[i].getAttribute('data-profileid');
		var http = new XMLHttpRequest();