jquery method to highlight page keywords_jquery

jQuery.fn.extend({
Highlight: function(search, configs){
If(typeof(search) == 'undefined') return;
      var configs = jQuery.extend({
                insensitive: 1, //Whether to match upper and lower case 0 matches 1 does not match
            hls_class: 'highlight', // Highlighted class
               clear_last: true, // Clear the original highlighted results
           },configs);                                                if(configs.clear_last) {
                $(this).find("strong." configs.hls_class).each(function(){
                    $(this).after($(this).text());
                     $(this).remove();
            })
}
          return this.each(function() {
If(typeof(search) == "string") {
                      $(this).highregx(search,configs);
                } else if (search.constructor === Array) {
for(var query in search){
                    var search_str = $.trim(search[query]);
If(search_str != "") $(this).highregx(search_str,configs);
                }
               }
         });                                             },                                                                 Highregx: function(query,configs){
​​​​ query = this.unicode(query);
        var regex = new RegExp("(<[^>]*>)|(" query ")", configs.insensitive ? "ig" : "g");                                                                    This.html(this.html().replace(regex, function(a, b, c){
                 return (a.charAt(0) == "<") ? a : "" c "";
         }));
},
unicode: function(s){
        var len=s.length;
        var rs="";
        s = s.replace(/([-.* ?^${}()|[]/\])/g,"\$1");
for(var i=0;i If(s.charCodeAt(i) > 255)
               rs ="\u" s.charCodeAt(i).toString(16);
              else rs = s.charAt(i);
                                                                                                    return rs;
}  
});


2. Click here to download the highlight plug-in

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