diff --git a/src/ol/dom.js b/src/ol/dom.js
index 4a5a657c0b..2ae64be09b 100644
--- a/src/ol/dom.js
+++ b/src/ol/dom.js
@@ -1,7 +1,7 @@
 goog.provide('ol.dom');
 
-goog.require('goog.userAgent');
 goog.require('ol');
+goog.require('ol.has');
 goog.require('ol.vec.Mat4');
 
 
@@ -115,7 +115,7 @@ ol.dom.setTransform = function(element, value) {
   style.transform = value;
 
   // IE 9+ seems to assume transform-origin: 100% 100%; for some unknown reason
-  if (goog.userAgent.IE && goog.userAgent.isVersionOrHigher('9.0')) {
+  if (ol.has.IE) {
     element.style.transformOrigin = '0 0';
   }
 };
diff --git a/src/ol/events/condition.js b/src/ol/events/condition.js
index 1df68ec947..7b448d1bc6 100644
--- a/src/ol/events/condition.js
+++ b/src/ol/events/condition.js
@@ -1,6 +1,7 @@
 goog.provide('ol.events.condition');
 
 goog.require('ol.asserts');
+goog.require('ol.has');
 goog.require('ol.functions');
 goog.require('ol.MapBrowserEvent.EventType');
 
@@ -74,7 +75,7 @@ ol.events.condition.click = function(mapBrowserEvent) {
 ol.events.condition.mouseActionButton = function(mapBrowserEvent) {
   var originalEvent = mapBrowserEvent.originalEvent;
   return originalEvent.button == 0 &&
-      !(goog.userAgent.WEBKIT && ol.has.MAC && originalEvent.ctrlKey);
+      !(ol.has.WEBKIT && ol.has.MAC && originalEvent.ctrlKey);
 };
 
 
diff --git a/src/ol/has.js b/src/ol/has.js
index 34ce81b8d3..3d56c9d792 100644
--- a/src/ol/has.js
+++ b/src/ol/has.js
@@ -1,13 +1,21 @@
 goog.provide('ol.has');
 
 goog.require('ol');
-goog.require('ol.dom');
 goog.require('ol.webgl');
 
 
 var ua = typeof navigator !== 'undefined' ?
     navigator.userAgent.toLowerCase() : '';
 
+var ie = ua.match(/msie ([0-9]{1,}[\.0-9]{0,})/);
+var trident = ua.match(/trident\/([0-9]{1,}[\.0-9]{0,})/);
+
+/**
+ * User agent string says we are dealing with IE >= 9 as browser.
+ * @type {boolean}
+ */
+ol.has.IE = !!(ie && parseFloat(ie[1]) >= 9 || trident && parseFloat(trident[1]) >= 6);
+
 /**
  * User agent string says we are dealing with Firefox as browser.
  * @type {boolean}
@@ -18,7 +26,13 @@ ol.has.FIREFOX = ua.indexOf('firefox') !== -1;
  * User agent string says we are dealing with Safari as browser.
  * @type {boolean}
  */
-ol.has.SAFARI = ua.indexOf('safari') !== -1 && ua.indexOf('chrom') === -1;
+ol.has.SAFARI = ua.indexOf('safari') !== -1 && ua.indexOf('chrom') == -1;
+
+/**
+ * User agent string says we are dealing with a WebKit engine.
+ * @type {boolean}
+ */
+ol.has.WEBKIT = ua.indexOf('webkit') !== -1 && ua.indexOf('edge') == -1;
 
 /**
  * User agent string says we are dealing with a Mac as platform.
@@ -60,7 +74,7 @@ ol.has.CANVAS = ol.ENABLE_CANVAS && (
         return false;
       }
       try {
-        var context = ol.dom.createCanvasContext2D();
+        var context = document.createElement('CANVAS').getContext('2d');
         if (!context) {
           return false;
         } else {
diff --git a/test/spec/ol/dom/dom.test.js b/test/spec/ol/dom/dom.test.js
index fadd68c173..cb3f70e605 100644
--- a/test/spec/ol/dom/dom.test.js
+++ b/test/spec/ol/dom/dom.test.js
@@ -1,7 +1,6 @@
 /*global Modernizr*/
 goog.provide('ol.test.dom');
 
-goog.require('goog.userAgent');
 goog.require('ol.transform');
 goog.require('ol.dom');
 
@@ -92,10 +91,13 @@ describe('ol.dom', function() {
 
   describe('ol.dom.setTransform', function() {
     var element = null;
+    var originalIsIE;
     beforeEach(function() {
       element = document.createElement('div');
+      originalIsIE = ol.has.IE;
     });
     afterEach(function() {
+      ol.has.IE = originalIsIE;
       element = null;
     });
 
@@ -115,35 +117,24 @@ describe('ol.dom', function() {
     });
 
     it('sets transform origin for IE 9', function() {
-      // save old user agent information
-      var originalIsIE = goog.userAgent.IE;
-      var originalIsVersionOrHigher = goog.userAgent.isVersionOrHigher;
-
       // Mock up IE 9
-      goog.userAgent.IE = true;
-      goog.userAgent.isVersionOrHigher = function() {
-        return true;
-      };
+      ol.has.IE = true;
 
       ol.dom.setTransform(element, 'rotate(48deg)');
       expect(element.style.transformOrigin).to.not.be('');
-
-      // revert mock-ups
-      goog.userAgent.IE = originalIsIE;
-      goog.userAgent.isVersionOrHigher = originalIsVersionOrHigher;
     });
 
     it('sets transform origin *only* for IE 9', function() {
       // save old user agent information
-      var originalIsIE = goog.userAgent.IE;
+      var originalIsIE = ol.has.IE;
       // Mock up some non-IE browser
-      goog.userAgent.IE = false;
+      ol.has.IE = false;
 
       ol.dom.setTransform(element, 'rotate(48deg)');
       expect(!element.style.transformOrigin).to.be(true);
 
       // revert mock-ups
-      goog.userAgent.IE = originalIsIE;
+      ol.has.IE = originalIsIE;
     });
 
   });