How to invite all friends on facebook at once 2015

If you want to invite all friends on facebook at once  but you cannot do it  because this option is not available in facebook. This is 2015 code and it works.
If you want to invite your friends on facebook for Pages or Events then copy thes codes which are highlighted in orange color.
Events:

javascript:var inputs = document.getElementsByName('_2x_y');for(var i=0; i<inputs.length;i++) { inputs[i].click(); }

Pages:

javascript:var inputs = document.getElementsByClassName('uiButton _1sm'); for(var i=0; i<inputs.length;i++) { inputs[i].click(); }

After copying codes follow these instructions.
1: Open your browser.
2: Login into your facebook
3: Go to the Event or Pages that you want to invite your friends into.

4: Press the "Invite" button on the right side of the Event or Pages.

5: Scroll ALL THE WAY down.

6: Paste the code into the address bar of your browser.

7: Browser automatically deletes the first part of the code javascript:

8: Write it again infront of the code that you pasted javascript:
9: Press Enter and wait until it says invite sent.
You are done...