diff --git a/src-es6/modules/paging.js b/src-es6/modules/paging.js
index 23347053..17ba5d1c 100644
--- a/src-es6/modules/paging.js
+++ b/src-es6/modules/paging.js
@@ -153,7 +153,7 @@ export class Paging{
         this.tf = tf;
     }
     
-    buildUI{
+    buildUI(){
         
         var slcPages;
         var tf = this.tf;
diff --git a/src/modules/highlightKeywords.js b/src/modules/highlightKeywords.js
index 9fe92813..7d6191a6 100644
--- a/src/modules/highlightKeywords.js
+++ b/src/modules/highlightKeywords.js
@@ -1,15 +1,16 @@
 define(["exports", "../dom", "../string"], function (exports, _dom, _string) {
   "use strict";
 
-  var _classProps = function (child, staticProps, instanceProps) {
-    if (staticProps) Object.defineProperties(child, staticProps);
-    if (instanceProps) Object.defineProperties(child.prototype, instanceProps);
-  };
-
   var Dom = _dom.Dom;
   var Str = _string.Str;
   var HighlightKeyword = (function () {
-    var HighlightKeyword = function HighlightKeyword(tf) {
+    var HighlightKeyword =
+
+    /**
+     * HighlightKeyword, highlight matched keyword
+     * @param {Object} tf TableFilter instance
+     */
+    function HighlightKeyword(tf) {
       var f = tf.fObj;
       //defines css class for highlighting
       this.highlightCssClass = f.highlight_css_class || "keyword";
@@ -18,83 +19,74 @@ define(["exports", "../dom", "../string"], function (exports, _dom, _string) {
       this.tf = tf;
     };
 
-    _classProps(HighlightKeyword, null, {
-      highlight: {
-        writable: true,
-        value: function (node, word, cssClass) {
-          // Iterate into this nodes childNodes
-          if (node.hasChildNodes) {
-            var children = node.childNodes;
-            for (var i = 0; i < children.length; i++) {
-              this.highlight(children[i], word, cssClass);
-            }
-          }
-
-          if (node.nodeType === 3) {
-            var tempNodeVal = Str.lower(node.nodeValue);
-            var tempWordVal = Str.lower(word);
-            if (tempNodeVal.indexOf(tempWordVal) != -1) {
-              var pn = node.parentNode;
-              if (pn && pn.className != cssClass) {
-                // word not highlighted yet
-                var nv = node.nodeValue, ni = tempNodeVal.indexOf(tempWordVal),
-                // Create a load of replacement nodes
-                before = Dom.text(nv.substr(0, ni)), docWordVal = nv.substr(ni, word.length), after = Dom.text(nv.substr(ni + word.length)), hiwordtext = Dom.text(docWordVal), hiword = Dom.create("span");
-                hiword.className = cssClass;
-                hiword.appendChild(hiwordtext);
-                pn.insertBefore(before, node);
-                pn.insertBefore(hiword, node);
-                pn.insertBefore(after, node);
-                pn.removeChild(node);
-                this.highlightedNodes.push(hiword.firstChild);
-              }
-            }
-          }
-        }
-      },
-      unhighlight: {
-        writable: true,
-        value: function (word, cssClass) {
-          var arrRemove = [];
-          var highlightedNodes = this.highlightedNodes;
-          for (var i = 0; i < highlightedNodes.length; i++) {
-            var n = highlightedNodes[i];
-            if (!n) {
-              continue;
-            }
-            var tempNodeVal = Str.lower(n.nodeValue), tempWordVal = Str.lower(word);
-            if (tempNodeVal.indexOf(tempWordVal) !== -1) {
-              var pn = n.parentNode;
-              if (pn && pn.className === cssClass) {
-                var prevSib = pn.previousSibling, nextSib = pn.nextSibling;
-                if (!prevSib || !nextSib) {
-                  continue;
-                }
-                nextSib.nodeValue = prevSib.nodeValue + n.nodeValue + nextSib.nodeValue;
-                prevSib.nodeValue = "";
-                n.nodeValue = "";
-                arrRemove.push(i);
-              }
-            }
-          }
-          for (var k = 0; k < arrRemove.length; k++) {
-            highlightedNodes.splice(arrRemove[k], 1);
-          }
-        }
-      },
-      unhighlightAll: {
-        writable: true,
-        value: function () {
-          if (!this.tf.highlightKeywords || !this.tf.searchArgs) {
-            return;
-          }
-          for (var y = 0; y < this.tf.searchArgs.length; y++) {
-            this.unhighlight(this.tf.searchArgs[y], this.highlightCssClass);
-          }
-          this.highlightedNodes = [];
+    HighlightKeyword.prototype.highlight = function (node, word, cssClass) {
+      // Iterate into this nodes childNodes
+      if (node.hasChildNodes) {
+        var children = node.childNodes;
+        for (var i = 0; i < children.length; i++) {
+          this.highlight(children[i], word, cssClass);
         }
       }
-    });
+
+      if (node.nodeType === 3) {
+        var tempNodeVal = Str.lower(node.nodeValue);
+        var tempWordVal = Str.lower(word);
+        if (tempNodeVal.indexOf(tempWordVal) != -1) {
+          var pn = node.parentNode;
+          if (pn && pn.className != cssClass) {
+            // word not highlighted yet
+            var nv = node.nodeValue, ni = tempNodeVal.indexOf(tempWordVal),
+            // Create a load of replacement nodes
+            before = Dom.text(nv.substr(0, ni)), docWordVal = nv.substr(ni, word.length), after = Dom.text(nv.substr(ni + word.length)), hiwordtext = Dom.text(docWordVal), hiword = Dom.create("span");
+            hiword.className = cssClass;
+            hiword.appendChild(hiwordtext);
+            pn.insertBefore(before, node);
+            pn.insertBefore(hiword, node);
+            pn.insertBefore(after, node);
+            pn.removeChild(node);
+            this.highlightedNodes.push(hiword.firstChild);
+          }
+        }
+      }
+    };
+
+    HighlightKeyword.prototype.unhighlight = function (word, cssClass) {
+      var arrRemove = [];
+      var highlightedNodes = this.highlightedNodes;
+      for (var i = 0; i < highlightedNodes.length; i++) {
+        var n = highlightedNodes[i];
+        if (!n) {
+          continue;
+        }
+        var tempNodeVal = Str.lower(n.nodeValue), tempWordVal = Str.lower(word);
+        if (tempNodeVal.indexOf(tempWordVal) !== -1) {
+          var pn = n.parentNode;
+          if (pn && pn.className === cssClass) {
+            var prevSib = pn.previousSibling, nextSib = pn.nextSibling;
+            if (!prevSib || !nextSib) {
+              continue;
+            }
+            nextSib.nodeValue = prevSib.nodeValue + n.nodeValue + nextSib.nodeValue;
+            prevSib.nodeValue = "";
+            n.nodeValue = "";
+            arrRemove.push(i);
+          }
+        }
+      }
+      for (var k = 0; k < arrRemove.length; k++) {
+        highlightedNodes.splice(arrRemove[k], 1);
+      }
+    };
+
+    HighlightKeyword.prototype.unhighlightAll = function () {
+      if (!this.tf.highlightKeywords || !this.tf.searchArgs) {
+        return;
+      }
+      for (var y = 0; y < this.tf.searchArgs.length; y++) {
+        this.unhighlight(this.tf.searchArgs[y], this.highlightCssClass);
+      }
+      this.highlightedNodes = [];
+    };
 
     return HighlightKeyword;
   })();
diff --git a/src/modules/highlightKeywords.js.map b/src/modules/highlightKeywords.js.map
index a48e9268..0f246134 100644
--- a/src/modules/highlightKeywords.js.map
+++ b/src/modules/highlightKeywords.js.map
@@ -1 +1 @@
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i<children.length; i++){\r\n                this.highlight(children[i], word, cssClass);\r\n            }\r\n        }\r\n\r\n        if(node.nodeType === 3){\r\n            var tempNodeVal = Str.lower(node.nodeValue);\r\n            var tempWordVal = Str.lower(word);\r\n            if(tempNodeVal.indexOf(tempWordVal) != -1){\r\n                var pn = node.parentNode;\r\n                if(pn && pn.className != cssClass){\r\n                    // word not highlighted yet\r\n                    var nv = node.nodeValue,\r\n                        ni = tempNodeVal.indexOf(tempWordVal),\r\n                        // Create a load of replacement nodes\r\n                        before = Dom.text(nv.substr(0, ni)),\r\n                        docWordVal = nv.substr(ni,word.length),\r\n                        after = Dom.text(nv.substr(ni+word.length)),\r\n                        hiwordtext = Dom.text(docWordVal),\r\n                        hiword = Dom.create('span');\r\n                    hiword.className = cssClass;\r\n                    hiword.appendChild(hiwordtext);\r\n                    pn.insertBefore(before,node);\r\n                    pn.insertBefore(hiword,node);\r\n                    pn.insertBefore(after,node);\r\n                    pn.removeChild(node);\r\n                    this.highlightedNodes.push(hiword.firstChild);\r\n                }\r\n            }\r\n        }\r\n    }\r\n\r\n    /**\r\n     * Removes highlight to nodes matching passed string\r\n     * @param  {String} word\r\n     * @param  {String} cssClass Css class to remove\r\n     */\r\n    unhighlight(word, cssClass){\r\n        var arrRemove = [];\r\n        var highlightedNodes = this.highlightedNodes;\r\n        for(var i=0; i<highlightedNodes.length; i++){\r\n            var n = highlightedNodes[i];\r\n            if(!n){\r\n                continue;\r\n            }\r\n            var tempNodeVal = Str.lower(n.nodeValue),\r\n                tempWordVal = Str.lower(word);\r\n            if(tempNodeVal.indexOf(tempWordVal) !== -1){\r\n                var pn = n.parentNode;\r\n                if(pn && pn.className === cssClass){\r\n                    var prevSib = pn.previousSibling,\r\n                        nextSib = pn.nextSibling;\r\n                    if(!prevSib || !nextSib){ continue; }\r\n                    nextSib.nodeValue = prevSib.nodeValue + n.nodeValue +\r\n                        nextSib.nodeValue;\r\n                    prevSib.nodeValue = '';\r\n                    n.nodeValue = '';\r\n                    arrRemove.push(i);\r\n                }\r\n            }\r\n        }\r\n        for(var k=0; k<arrRemove.length; k++){\r\n            highlightedNodes.splice(arrRemove[k], 1);\r\n        }\r\n    }\r\n\r\n    /**\r\n     * Clear all occurrences of highlighted nodes\r\n     */\r\n    unhighlightAll(){\r\n        if(!this.tf.highlightKeywords || !this.tf.searchArgs){\r\n            return;\r\n        }\r\n        for(var y=0; y<this.tf.searchArgs.length; y++){\r\n            this.unhighlight(\r\n                this.tf.searchArgs[y], this.highlightCssClass);\r\n        }\r\n        this.highlightedNodes = [];\r\n    }\r\n}"]}
\ No newline at end of file
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i<children.length; i++){\n                this.highlight(children[i], word, cssClass);\n            }\n        }\n\n        if(node.nodeType === 3){\n            var tempNodeVal = Str.lower(node.nodeValue);\n            var tempWordVal = Str.lower(word);\n            if(tempNodeVal.indexOf(tempWordVal) != -1){\n                var pn = node.parentNode;\n                if(pn && pn.className != cssClass){\n                    // word not highlighted yet\n                    var nv = node.nodeValue,\n                        ni = tempNodeVal.indexOf(tempWordVal),\n                        // Create a load of replacement nodes\n                        before = Dom.text(nv.substr(0, ni)),\n                        docWordVal = nv.substr(ni,word.length),\n                        after = Dom.text(nv.substr(ni+word.length)),\n                        hiwordtext = Dom.text(docWordVal),\n                        hiword = Dom.create('span');\n                    hiword.className = cssClass;\n                    hiword.appendChild(hiwordtext);\n                    pn.insertBefore(before,node);\n                    pn.insertBefore(hiword,node);\n                    pn.insertBefore(after,node);\n                    pn.removeChild(node);\n                    this.highlightedNodes.push(hiword.firstChild);\n                }\n            }\n        }\n    }\n\n    /**\n     * Removes highlight to nodes matching passed string\n     * @param  {String} word\n     * @param  {String} cssClass Css class to remove\n     */\n    unhighlight(word, cssClass){\n        var arrRemove = [];\n        var highlightedNodes = this.highlightedNodes;\n        for(var i=0; i<highlightedNodes.length; i++){\n            var n = highlightedNodes[i];\n            if(!n){\n                continue;\n            }\n            var tempNodeVal = Str.lower(n.nodeValue),\n                tempWordVal = Str.lower(word);\n            if(tempNodeVal.indexOf(tempWordVal) !== -1){\n                var pn = n.parentNode;\n                if(pn && pn.className === cssClass){\n                    var prevSib = pn.previousSibling,\n                        nextSib = pn.nextSibling;\n                    if(!prevSib || !nextSib){ continue; }\n                    nextSib.nodeValue = prevSib.nodeValue + n.nodeValue +\n                        nextSib.nodeValue;\n                    prevSib.nodeValue = '';\n                    n.nodeValue = '';\n                    arrRemove.push(i);\n                }\n            }\n        }\n        for(var k=0; k<arrRemove.length; k++){\n            highlightedNodes.splice(arrRemove[k], 1);\n        }\n    }\n\n    /**\n     * Clear all occurrences of highlighted nodes\n     */\n    unhighlightAll(){\n        if(!this.tf.highlightKeywords || !this.tf.searchArgs){\n            return;\n        }\n        for(var y=0; y<this.tf.searchArgs.length; y++){\n            this.unhighlight(\n                this.tf.searchArgs[y], this.highlightCssClass);\n        }\n        this.highlightedNodes = [];\n    }\n}"]}
\ No newline at end of file