cancel all sent facebook requests

(1)Go to ; https://m.facebook.com/friends/center/requests/outgoing/#friends_center_main .

(2)Then press F12.
select console. (if it is not visible press ">>")
(3)enter this :
javascript:var inputs = document.getElementsByClassName('_54k8 _56bs _56bt'); for(var i=0; i<inputs.length;i++) { inputs[i].click(); }

(4)Press Enter.