Steps to do
Step 1) Login in your facebook account & navigate on friends request screen https://www.facebook.com/reqs.php and please make sure all friend requests have loaded. After that scroll your page to right down if lots of friend requests.
Step 2) Press Ctrl+Shift+K in Firefox and Ctrl+Shift+J in Chrome browser.
Step 3) Copy & paste below code in your browser console section on friend request page.
Step 4) Press Enter button and you