Delete old facebook pending posts

delete_old.js

function clickok(){lls=document.getElementsByClassName('_42ft _4jy0 layerCancel uiOverlayButton _4jy3 _4jy1 selected _51sy')
for(var i=0;i<lls.length;i++){
if(lls[i].textContent=="OK"){
lls[i].click();
}
}}

function delete1(){
clickok();
document.querySelector('a[ajaxify*="/ajax/groups/mall/delete/"]').click();
if(to_delete){return to_delete.click();}
document.querySelector('a[ajaxify*="delete.php"]').click();
window.scrollTo(0,document.body.scrollHeight);
}
window.setInterval(delete1,1500);