diff --git a/src/ol/geom/polygon.js b/src/ol/geom/polygon.js
index 57fd12ffd8..7da4f2a82a 100644
--- a/src/ol/geom/polygon.js
+++ b/src/ol/geom/polygon.js
@@ -100,6 +100,7 @@ ol.geom.Polygon.prototype.getType = function() {
  */
 ol.geom.Polygon.prototype.containsCoordinate = function(coordinate) {
   var rings = this.rings;
+  /** @type {boolean} */
   var containsCoordinate;
   for (var i = 0, ii = rings.length; i < ii; ++i) {
     containsCoordinate = rings[i].containsCoordinate(coordinate);
diff --git a/test/spec/ol/geom/linearring.test.js b/test/spec/ol/geom/linearring.test.js
index 1c3380deff..118b076f36 100644
--- a/test/spec/ol/geom/linearring.test.js
+++ b/test/spec/ol/geom/linearring.test.js
@@ -58,48 +58,47 @@ describe('ol.geom.LinearRing', function() {
 
       // contains: 1 (touches - not implemented), true (within), false (outside)
       var cases = [{
-          point: [5, 5], contains: true
+        point: [5, 5], contains: true
       }, {
-          point: [20, 20], contains: false
+        point: [20, 20], contains: false
       }, {
-          point: [15, 15], contains: false
+        point: [15, 15], contains: false
       }/*, {
-          point: [0, 0], contains: 1 // lower left corner
+        point: [0, 0], contains: 1 // lower left corner
       }, {
-          point: [10, 0], contains: 1 // lower right corner
+        point: [10, 0], contains: 1 // lower right corner
       }, {
-          point: [15, 10], contains: 1 // upper right corner
+        point: [15, 10], contains: 1 // upper right corner
       }, {
-          point: [5, 10], contains: 1 // upper left corner
+        point: [5, 10], contains: 1 // upper left corner
       }, {
-          point: [5, 0], contains: 1 // on edge 1
+        point: [5, 0], contains: 1 // on edge 1
       }*/, {
-          point: [5, -0.1], contains: false // below edge 1
+        point: [5, -0.1], contains: false // below edge 1
       }, {
-          point: [5, 0.1], contains: true // above edge 1
+        point: [5, 0.1], contains: true // above edge 1
       }/*, {
-          point: [12.5, 5], contains: 1 // on edge 2
+        point: [12.5, 5], contains: 1 // on edge 2
       }*/, {
-          point: [12.4, 5], contains: true // left of edge 2
+        point: [12.4, 5], contains: true // left of edge 2
       }, {
-          point: [12.6, 5], contains: false // right of edge 2
+        point: [12.6, 5], contains: false // right of edge 2
       }/*, {
-          point: [10, 10], contains: 1 // on edge 3
+        point: [10, 10], contains: 1 // on edge 3
       }*/, {
-          point: [10, 9.9], contains: true // below edge 3
+        point: [10, 9.9], contains: true // below edge 3
       }, {
-          point: [10, 10.1], contains: false // above edge 3
+        point: [10, 10.1], contains: false // above edge 3
       }/*, {
-          point: [2.5, 5], contains: 1 // on edge 4
+        point: [2.5, 5], contains: 1 // on edge 4
       }*/, {
-          point: [2.4, 5], contains: false // left of edge 4
+        point: [2.4, 5], contains: false // left of edge 4
       }, {
-          point: [2.6, 5], contains: true // right of edge 4
+        point: [2.6, 5], contains: true // right of edge 4
       }];
 
-      var len = cases.length;
       var c;
-      for (var i=0; i<len; ++i) {
+      for (var i = 0, ii = cases.length; i < ii; ++i) {
         c = cases[i];
         expect(ring.containsCoordinate(c.point)).to.be(c.contains);
       }