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Rickrolled

Use this as a prank for your friends!

  1. // ==UserScript==
  2. // @name Rickrolled
  3. // @include *
  4. // @description Use this as a prank for your friends!
  5. // @run-at document-end
  6. // @namespace https://greasyfork.org/users/12417
  7. // @version 0.0.1.20151231114136
  8. // ==/UserScript==
  9. var links = document.getElementsByTagName("a");
  10. for (var i in links)
  11. {
  12.     links[i].setAttribute("href", "https://www.youtube.com/watch?v=dQw4w9WgXcQ");
  13. }