jQuery? ??? ????

?? ??:

?? ??? ???? ????. ??? ???? ??? ??? ?? ??? jQuery.

???:

jQuery? ???? ??? ?? ????? ?? ??? ?? ?????? ?? ??? ?? ????? ????? ??? ??? ? ????.

jQuery.fn.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.length && pat && pat.length ? this.each(function () {
    innerHighlight(this, pat.toUpperCase());
  }) : this;
};

jQuery.fn.removeHighlight = function () {
  return this.find("span.highlight").each(function () {
    this.parentNode.firstChild.nodeName;
    with (this.parentNode) {
      replaceChild(this.firstChild, this);
      normalize();
    }
  }).end();
};

?? ?? ??:

?? ?? ??? ??? ??? ???? ???? ?? ?? ????? ??????.

jQuery.extend({
  highlight: function (node, re, nodeName, className) {
    if (node.nodeType === 3) {
      var match = node.data.match(re);
      if (match) {
        var highlight = document.createElement(nodeName || 'span');
        highlight.className = className || 'highlight';
        var wordNode = node.splitText(match.index);
        wordNode.splitText(match[0].length);
        var wordClone = wordNode.cloneNode(true);
        highlight.appendChild(wordClone);
        wordNode.parentNode.replaceChild(highlight, wordNode);
        return 1; //skip added node in parent
      }
    } else if ((node.nodeType === 1 && node.childNodes) && // only element nodes that have children
      !/(script|style)/i.test(node.tagName) && // ignore script and style nodes
      !(node.tagName === nodeName.toUpperCase() && node.className === className)) { // skip if already highlighted
      for (var i = 0; i < node.childNodes.length; i++) {
        i += jQuery.highlight(node.childNodes[i], re, nodeName, className);
      }
    }
    return 0;
  }
});

jQuery.fn.unhighlight = function (options) {
  var settings = { className: 'highlight', element: 'span' };
  jQuery.extend(settings, options);

  return this.find(settings.element + "." + settings.className).each(function () {
    var parent = this.parentNode;
    parent.replaceChild(this.firstChild, this);
    parent.normalize();
  }).end();
};

jQuery.fn.highlight = function (words, options) {
  var settings = { className: 'highlight', element: 'span', caseSensitive: false, wordsOnly: false };
  jQuery.extend(settings, options);

  if (words.constructor === String) {
    words = [words];
  }
  words = jQuery.grep(words, function (word, i) {
    return word != '';
  });
  words = jQuery.map(words, function (word, i) {
    return word.replace(/[-[\]{}()*+?.,\^$|#\s]/g, "\$&amp;&");
  });
  if (words.length == 0) { return this; };

  var flag = settings.caseSensitive ? "" : "i";
  var pattern = "(" + words.join("|") + ")";
  if (settings.wordsOnly) {
    pattern = "\b" + pattern + "\b";
  }
  var re = new RegExp(pattern, flag);

  return this.each(function () {
    jQuery.highlight(this, re, settings.element, settings.className);
  });
};

? ????? ?? ??? ??? ?? ??? ?? ?? ?? ? ??? ??? ???? ?? ??? ???? ??? ?? ?? ??? ?????. ??? ??? ???? ????? ???? ??? ?????. ?? ????? ???? ??? ???? ????.

? ??? jQuery? ???? ???? ??? ??? ? ????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!