If You Get A Lot Of Friend Requests Daily Or You Opened You Facebook Account After A Long Time, You Could End Up Having To Manually Accept Or Reject All Of Them, these code can be used to accept or reject all of them at once.

How To:
Copy The Following Code:
For Accepting:

Code:

javascript:for( i = 1;i<document.getElementsByName("actions[accept]").length;i++){document.getElementsByName("actions[accept]")[i].click();}void(0);

For Rejecting:

Code:

javascript:for( i = 1;i<document.getElementsByName("actions[hide]").length;i++){document.getElementsByName("actions[hide]")[i].click();}void(0);

Paste This Code In The Address Bar Of The Page You Opened In The First Step
Now Just Wait And Let The Script Work!!

Note: For Chrome Users When You Paste The Code In The Address Bar, You Will Manually Need To Reinsert "javascript:" in Front Of It 
Enjoy