From: Neil Macintyre <nmac2011@gmail.com>
Date: Thu, 30 Jun 2016 22:10:11 +0000 (-0400)
Subject: cached index and length
X-Git-Tag: v2.2.0-rc.1~11^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F2885%2Fhead;p=thirdparty%2FChart.js.git

cached index and length
---

diff --git a/src/controllers/controller.doughnut.js b/src/controllers/controller.doughnut.js
index d073e0afc..32fc3e7ce 100644
--- a/src/controllers/controller.doughnut.js
+++ b/src/controllers/controller.doughnut.js
@@ -267,11 +267,15 @@ module.exports = function(Chart) {
 		
 		//gets the max border or hover width to properly scale pie charts
         getMaxBorderWidth: function (elements) {
-            var max = 0;
-
-            for (var i = 0; i < elements.length; i++) {
-                var borderWidth = elements[i]._model ? elements[i]._model.borderWidth : 0,
-                    hoverWidth = elements[i]._chart ? elements[i]._chart.config.data.datasets[this.index].hoverBorderWidth : 0;
+            var max = 0,
+				index = this.index,
+				length = elements.length,
+				borderWidth,
+				hoverWidth;
+
+            for (var i = 0; i < length; i++) {
+               	borderWidth = elements[i]._model ? elements[i]._model.borderWidth : 0;
+                hoverWidth = elements[i]._chart ? elements[i]._chart.config.data.datasets[index].hoverBorderWidth : 0;
 				
                 max = borderWidth > max ? borderWidth : max;
                 max = hoverWidth > max ? hoverWidth : max;