☰

Add Keyboard Shortcut for Generic Next/Previous Page

Add CTRL+ArrowLeft and CTRL+ArrowRight for generic next/previous page. It will click the last found link whose text starts/ends with e.g. "Next", "Prev", or "Previous".

当前为 2017-02-26 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name        Add Keyboard Shortcut for Generic Next/Previous Page
  3. // @namespace   AddKeyboardShortcutForGenericNextPreviousPage
  4. // @description Add CTRL+ArrowLeft and CTRL+ArrowRight for generic next/previous page. It will click the last found link whose text starts/ends with e.g. "Next", "Prev", or "Previous".
  5. // @author      jcunews
  6. // @include     *://*/*
  7. // @version     1.0.2
  8. // @grant       none
  9. // ==/UserScript==
  10.  
  11. addEventListener("keydown", function(ev) {
  12.   var rxPrevious = /^prev(ious)?\b|\bprev(ious)?$/i;
  13.   var rxNext = /^next\b/i;
  14.  
  15.   function clickLink(rx) {
  16.     for (var i = document.links.length-1; i >= 0; i--) {
  17.       if (rx.test(document.links[i].textContent.trim())) {
  18.         ev.preventDefault();
  19.         document.links[i].click();
  20.         return true;
  21.       }
  22.     }
  23.     return false;
  24.   }
  25.  
  26.   if (ev.ctrlKey && !ev.altKey && !ev.shiftKey) {
  27.     console.log(document.activeElement);
  28.     console.log(document.activeElement.tagName, document.activeElement.isContentEditable);
  29.     if (document.activeElement && (
  30.         (/^(INPUT|TEXTAREA)$/).test(document.activeElement.tagName) ||
  31.         document.activeElement.isContentEditable)) return;
  32.     switch (ev.key) {
  33.       case "ArrowLeft": //previous
  34.         if (clickLink(rxPrevious)) return;
  35.         break;
  36.       case "ArrowRight": //next
  37.         if (clickLink(rxNext)) return;
  38.         break;
  39.     }
  40.   }
  41. }, false);