diff --git a/src/helpers/helpers.core.js b/src/helpers/helpers.core.js
index a2a67245de2..bc715a74df1 100644
--- a/src/helpers/helpers.core.js
+++ b/src/helpers/helpers.core.js
@@ -39,7 +39,6 @@ var helpers = {
 	 */
 	isArray: function(value) {
 		var type = Object.prototype.toString.call(value);
-		// Typed array
 		if (type.substr(0, 7) === '[object' && type.substr(-6) === 'Array]') {
 			return true;
 		}
diff --git a/test/.eslintrc.yml b/test/.eslintrc.yml
index 9d98c452878..124624f681d 100644
--- a/test/.eslintrc.yml
+++ b/test/.eslintrc.yml
@@ -1,4 +1,8 @@
+parserOptions:
+  ecmaVersion: 5 # don't rely on default, since its changed by env: es6
+
 env:
+  es6: true # also changes default ecmaVersion to 6
   jasmine: true
 
 globals:
diff --git a/test/specs/helpers.core.tests.js b/test/specs/helpers.core.tests.js
index e3993de635a..cdda01b9674 100644
--- a/test/specs/helpers.core.tests.js
+++ b/test/specs/helpers.core.tests.js
@@ -21,6 +21,15 @@ describe('Chart.helpers.core', function() {
 			expect(helpers.isArray([42])).toBeTruthy();
 			expect(helpers.isArray(new Array())).toBeTruthy();
 			expect(helpers.isArray(Array.prototype)).toBeTruthy();
+			expect(helpers.isArray(new Int8Array(2))).toBeTruthy();
+			expect(helpers.isArray(new Uint8Array())).toBeTruthy();
+			expect(helpers.isArray(new Uint8ClampedArray([128, 244]))).toBeTruthy();
+			expect(helpers.isArray(new Int16Array())).toBeTruthy();
+			expect(helpers.isArray(new Uint16Array())).toBeTruthy();
+			expect(helpers.isArray(new Int32Array())).toBeTruthy();
+			expect(helpers.isArray(new Uint32Array())).toBeTruthy();
+			expect(helpers.isArray(new Float32Array([1.2]))).toBeTruthy();
+			expect(helpers.isArray(new Float64Array([]))).toBeTruthy();
 		});
 		it('should return false if value is not an array', function() {
 			expect(helpers.isArray()).toBeFalsy();