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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.greasyfork.icu/scripts/30368/199091/Highlight%20Words%20Jquery%20Library.js 

// ==UserScript==
// @name         Highlight Words Jquery Library
// @namespace    http://greasyfork.icu/en/users/710-tjololo
// @version      0.1
// @description  Insructions
// @author       Tjololo
// @require      http://code.jquery.com/jquery-latest.min.js
// @grant        GM_Log
// ==/UserScript==

/*

highlight v3  !! Modified by Jon Raasch (http://jonraasch.com) to fix IE6 bug !!

Highlights arbitrary terms.

<http://johannburkard.de/blog/programming/javascript/highlight-javascript-text-higlighting-jquery-plugin.html>

MIT license.

Johann Burkard
<http://johannburkard.de>
<mailto:[email protected]>

*/

highlight = function(pat) {
 function innerHighlight(node, pat) {
  var skip = 0;
  if (node.nodeType == 3) {
   var pos = node.data.toUpperCase().indexOf(pat);
   if (pos >= 0) {
    var spannode = document.createElement('span');
    spannode.className = 'highlight';
    var middlebit = node.splitText(pos);
    var endbit = middlebit.splitText(pat.length);
    var middleclone = middlebit.cloneNode(true);
    spannode.appendChild(middleclone);
    middlebit.parentNode.replaceChild(spannode, middlebit);
    skip = 1;
   }
  }
  else if (node.nodeType == 1 && node.childNodes && !/(script|style)/i.test(node.tagName)) {
   for (var i = 0; i < node.childNodes.length; ++i) {
    i += innerHighlight(node.childNodes[i], pat);
   }
  }
  return skip;
 }
 return this.each(function() {
  innerHighlight(this, pat.toUpperCase());
 });
};

removeHighlight = function() {
 function newNormalize(node) {
    for (var i = 0, children = node.childNodes, nodeCount = children.length; i < nodeCount; i++) {
        var child = children[i];
        if (child.nodeType == 1) {
            newNormalize(child);
            continue;
        }
        if (child.nodeType != 3) { continue; }
        var next = child.nextSibling;
        if (next == null || next.nodeType != 3) { continue; }
        var combined_text = child.nodeValue + next.nodeValue;
        new_node = node.ownerDocument.createTextNode(combined_text);
        node.insertBefore(new_node, child);
        node.removeChild(child);
        node.removeChild(next);
        i--;
        nodeCount--;
    }
 }

 return this.find("span.highlight").each(function() {
    var thisParent = this.parentNode;
    thisParent.replaceChild(this.firstChild, this);
    newNormalize(thisParent);
 }).end();
};