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Keyboard navigation e621

Change the current page with arrow keys

  1. // ==UserScript==
  2. // @name         Keyboard navigation e621
  3. // @version      0.2
  4. // @description  Change the current page with arrow keys
  5. // @author       koreso
  6. // @match        https://e621.net/posts/*
  7. // @namespace https://greasyfork.org/users/510304
  8. // ==/UserScript==
  9.  
  10. (function() {
  11.     'use strict';
  12.  
  13.     // check if a next or previous button exists on the current page
  14.     if(document.querySelector(".next")||document.querySelector(".prev"))window.onkeydown = page;
  15.  
  16.     function page(e) {
  17.         // if the current focused element is a text box, abort
  18.         if(document.activeElement.nodeName.match(/TEXTAREA|INPUT/))return;
  19.  
  20.         // 39 = right arrow key, 37 = left arrow key
  21.         switch(e.keyCode){
  22.             case 39:
  23.                 // change current url to the next button's url
  24.                 window.location.assign(document.querySelector(".next"));
  25.                 break;
  26.             case 37:
  27.                 // idem but for the previous button
  28.                 window.location.assign(document.querySelector(".prev"));
  29.                 break;
  30.         }
  31.     }
  32. })();