diff --git a/src/gradient.class.js b/src/gradient.class.js
index 47f8a904..d601fe02 100644
--- a/src/gradient.class.js
+++ b/src/gradient.class.js
@@ -288,7 +288,7 @@
     /**
      * Returns {@link fabric.Gradient} instance from an SVG element
      * @static
-     * @memberof fabric.Gradient
+     * @memberOf fabric.Gradient
      * @param {SVGGradientElement} el SVG gradient element
      * @param {fabric.Object} instance
      * @return {fabric.Gradient} Gradient instance
@@ -368,7 +368,7 @@
     /**
      * Returns {@link fabric.Gradient} instance from its object representation
      * @static
-     * @memberof fabric.Gradient
+     * @memberOf fabric.Gradient
      * @param {Object} obj
      * @param {Object} [options] Options object
      */
diff --git a/src/parser.js b/src/parser.js
index 5cb066a0..4434d5c3 100644
--- a/src/parser.js
+++ b/src/parser.js
@@ -914,7 +914,7 @@
 
     /**
      * Takes url corresponding to an SVG document, and parses it into a set of fabric objects. Note that SVG is fetched via XMLHttpRequest, so it needs to conform to SOP (Same Origin Policy)
-     * @memberof fabric
+     * @memberOf fabric
      * @param {String} url
      * @param {Function} callback
      * @param {Function} [reviver] Method for further parsing of SVG elements, called after each fabric object created.
@@ -962,7 +962,7 @@
 
     /**
      * Takes string corresponding to an SVG document, and parses it into a set of fabric objects
-     * @memberof fabric
+     * @memberOf fabric
      * @param {String} string
      * @param {Function} callback
      * @param {Function} [reviver] Method for further parsing of SVG elements, called after each fabric object created.
diff --git a/src/shapes/group.class.js b/src/shapes/group.class.js
index 4f394d72..60966f2a 100644
--- a/src/shapes/group.class.js
+++ b/src/shapes/group.class.js
@@ -469,12 +469,14 @@
       var aX = [],
           aY = [],
           o, prop,
-          props = ['tr', 'br', 'bl', 'tl'];
+          props = ['tr', 'br', 'bl', 'tl'],
+          i = 0, iLen = this._objects.length,
+          j, jLen = props.length;
 
-      for (var i = 0, len = this._objects.length; i < len; ++i) {
+      for ( ; i < iLen; ++i) {
         o = this._objects[i];
         o.setCoords();
-        for (var j = 0; j < props.length; j++) {
+        for (j = 0; j < jLen; j++) {
           prop = props[j];
           aX.push(o.oCoords[prop].x);
           aY.push(o.oCoords[prop].y);
diff --git a/src/shapes/object.class.js b/src/shapes/object.class.js
index 00ccfbc6..6e8afb72 100644
--- a/src/shapes/object.class.js
+++ b/src/shapes/object.class.js
@@ -1493,7 +1493,7 @@
   /**
    * Alias for {@link fabric.Object.prototype.setAngle}
    * @alias rotate -> setAngle
-   * @memberof fabric.Object
+   * @memberOf fabric.Object
    */
   fabric.Object.prototype.rotate = fabric.Object.prototype.setAngle;
 
@@ -1503,7 +1503,7 @@
    * Defines the number of fraction digits to use when serializing object values.
    * You can use it to increase/decrease precision of such values like left, top, scaleX, scaleY, etc.
    * @static
-   * @memberof fabric.Object
+   * @memberOf fabric.Object
    * @constant
    * @type Number
    */
@@ -1512,7 +1512,7 @@
   /**
    * Unique id used internally when creating SVG elements
    * @static
-   * @memberof fabric.Object
+   * @memberOf fabric.Object
    * @type Number
    */
   fabric.Object.__uid = 0;
diff --git a/src/util/misc.js b/src/util/misc.js
index 0ad64867..18b832a6 100644
--- a/src/util/misc.js
+++ b/src/util/misc.js
@@ -70,14 +70,11 @@
      * @return {fabric.Point} The new rotated point
      */
     rotatePoint: function(point, origin, radians) {
-      var sin = Math.sin(radians),
-          cos = Math.cos(radians);
-
       point.subtractEquals(origin);
-
-      var rx = point.x * cos - point.y * sin,
+      var sin = Math.sin(radians),
+          cos = Math.cos(radians),
+          rx = point.x * cos - point.y * sin,
           ry = point.x * sin + point.y * cos;
-
       return new fabric.Point(rx, ry).addEquals(origin);
     },
 
@@ -111,10 +108,9 @@
      * @return {Array} The inverted transform
      */
     invertTransform: function(t) {
-      var r = t.slice(),
-          a = 1 / (t[0] * t[3] - t[1] * t[2]);
-      r = [a * t[3], -a * t[1], -a * t[2], a * t[0], 0, 0];
-      var o = fabric.util.transformPoint({ x: t[4], y: t[5] }, r);
+      var a = 1 / (t[0] * t[3] - t[1] * t[2]),
+          r = [a * t[3], -a * t[1], -a * t[2], a * t[0]],
+          o = fabric.util.transformPoint({ x: t[4], y: t[5] }, r, true);
       r[4] = -o.x;
       r[5] = -o.y;
       return r;