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Highlight Words Jquery Library

Insructions

当前为 2017-06-06 提交的版本，查看 最新版本。

此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.cn-greasyfork.org/scripts/30368/199091/Highlight%20Words%20Jquery%20Library.js 

  1. // ==UserScript==
  2. // @name         Highlight Words Jquery Library
  3. // @namespace    https://greasyfork.org/en/users/710-tjololo
  4. // @version      0.1
  5. // @description  Insructions
  6. // @author       Tjololo
  7. // @require      http://code.jquery.com/jquery-latest.min.js
  8. // @grant        GM_Log
  9. // ==/UserScript==
  10.  
  11. /*
  12.  
  13. highlight v3  !! Modified by Jon Raasch (http://jonraasch.com) to fix IE6 bug !!
  14.  
  15. Highlights arbitrary terms.
  16.  
  17. <http://johannburkard.de/blog/programming/javascript/highlight-javascript-text-higlighting-jquery-plugin.html>
  18.  
  19. MIT license.
  20.  
  21. Johann Burkard
  22. <http://johannburkard.de>
  23. <mailto:jb@eaio.com>
  24.  
  25. */
  26.  
  27. highlight = function(pat) {
  28.  function innerHighlight(node, pat) {
  29.   var skip = 0;
  30.   if (node.nodeType == 3) {
  31.    var pos = node.data.toUpperCase().indexOf(pat);
  32.    if (pos >= 0) {
  33.     var spannode = document.createElement('span');
  34.     spannode.className = 'highlight';
  35.     var middlebit = node.splitText(pos);
  36.     var endbit = middlebit.splitText(pat.length);
  37.     var middleclone = middlebit.cloneNode(true);
  38.     spannode.appendChild(middleclone);
  39.     middlebit.parentNode.replaceChild(spannode, middlebit);
  40.     skip = 1;
  41.    }
  42.   }
  43.   else if (node.nodeType == 1 && node.childNodes && !/(script|style)/i.test(node.tagName)) {
  44.    for (var i = 0; i < node.childNodes.length; ++i) {
  45.     i += innerHighlight(node.childNodes[i], pat);
  46.    }
  47.   }
  48.   return skip;
  49.  }
  50.  return this.each(function() {
  51.   innerHighlight(this, pat.toUpperCase());
  52.  });
  53. };
  54.  
  55. removeHighlight = function() {
  56.  function newNormalize(node) {
  57.     for (var i = 0, children = node.childNodes, nodeCount = children.length; i < nodeCount; i++) {
  58.         var child = children[i];
  59.         if (child.nodeType == 1) {
  60.             newNormalize(child);
  61.             continue;
  62.         }
  63.         if (child.nodeType != 3) { continue; }
  64.         var next = child.nextSibling;
  65.         if (next == null || next.nodeType != 3) { continue; }
  66.         var combined_text = child.nodeValue + next.nodeValue;
  67.         new_node = node.ownerDocument.createTextNode(combined_text);
  68.         node.insertBefore(new_node, child);
  69.         node.removeChild(child);
  70.         node.removeChild(next);
  71.         i--;
  72.         nodeCount--;
  73.     }
  74.  }
  75.  
  76.  return this.find("span.highlight").each(function() {
  77.     var thisParent = this.parentNode;
  78.     thisParent.replaceChild(this.firstChild, this);
  79.     newNormalize(thisParent);
  80.  }).end();
  81. };