diff --git a/Frameworks/JsClr/Internal/CoreEx.js b/Frameworks/JsClr/Internal/CoreEx.js
index 6bb43b1..efcc964 100644
--- a/Frameworks/JsClr/Internal/CoreEx.js
+++ b/Frameworks/JsClr/Internal/CoreEx.js
@@ -217,21 +217,21 @@ JsTypes.push({ fullname: "Array", baseTypeName: "Object", definition:
 			target.push(this[i]);
 		}
 	},
-	//filter: function (pred) {
-	//	var item, i = 0;
-	//	for (var i = 0, j = this.length; i < j; i++) {
-	//		item = this[i];
-	//		if (!pred(item)) {
-	//			this.splice(i, 1);
-	//			i--; //prevent increase
-	//			j--; //length is decreased
-	//		}
-	//	}
-	//	return this;
-	//},
-	//filterOut: function (pred) {
-	//	return this.filter(function (item) { return !pred(item); });
-	//},
+	filter: function (pred, thisArg) {
+	    var item, i = 0;
+	    for (var i = 0, j = this.length; i < j; i++) {
+	        item = this[i];
+	        if (!pred.call(thisArg, item)) {
+	            this.splice(i, 1);
+	            i--; //prevent increase
+	            j--; //length is decreased
+	        }
+	    }
+	    return this;
+	},
+	filterOut: function (pred) {
+		return this.filter(function (item) { return !pred(item); });
+	},
 	apply: function (modifier) {
 		for (var i = 0, j = this.length; i < j; i++) {
 			this[i] = modifier(this[i]);