clean up whitespace issues

[dygraphs.git] / dygraph-canvas.js

diff --git a/dygraph-canvas.js b/dygraph-canvas.js
index 58e6917..49dddd4 100644 (file)
--- a/dygraph-canvas.js
+++ b/dygraph-canvas.js
@@ -38,6 +38,7 @@ DygraphLayout.prototype.evaluate = function() {
 DygraphLayout.prototype._evaluateLimits = function() {
   this.minxval = this.maxxval = null;
   for (var name in this.datasets) {
+    if (!this.datasets.hasOwnProperty(name)) continue;
     var series = this.datasets[name];
     var x1 = series[0][0];
     if (!this.minxval || x1 < this.minxval) this.minxval = x1;
@@ -58,6 +59,8 @@ DygraphLayout.prototype._evaluateLineCharts = function() {
   // add all the rects
   this.points = new Array();
   for (var setName in this.datasets) {
+    if (!this.datasets.hasOwnProperty(setName)) continue;
+
     var dataset = this.datasets[setName];
     for (var j = 0; j < dataset.length; j++) {
       var item = dataset[j];
@@ -117,6 +120,7 @@ DygraphLayout.prototype.evaluateWithError = function() {
   // Copy over the error terms
   var i = 0; // index in this.points
   for (var setName in this.datasets) {
+    if (!this.datasets.hasOwnProperty(setName)) continue;
     var j = 0;
     var dataset = this.datasets[setName];
     for (var j = 0; j < dataset.length; j++, i++) {
@@ -322,7 +326,9 @@ DygraphCanvasRenderer.prototype._renderAxis = function() {
   var makeDiv = function(txt) {
     var div = document.createElement("div");
     for (var name in labelStyle) {
-      div.style[name] = labelStyle[name];
+      if (labelStyle.hasOwnProperty(name)) {
+        div.style[name] = labelStyle[name];
+      }
     }
     div.appendChild(document.createTextNode(txt));
     return div;
@@ -437,7 +443,11 @@ DygraphCanvasRenderer.prototype._renderLineChart = function() {
   var errorBars = this.layout.options.errorBars;
 
   var setNames = [];
-  for (var name in this.layout.datasets) setNames.push(name);
+  for (var name in this.layout.datasets) {
+    if (this.layout.datasets.hasOwnProperty(name)) {
+      setNames.push(name);
+    }
+  }
   var setCount = setNames.length;
 
   //Update Points
@@ -537,7 +547,8 @@ DygraphCanvasRenderer.prototype._renderLineChart = function() {
           if (drawPoints || isIsolated) {
            ctx.beginPath();
            ctx.fillStyle = color;
-           ctx.arc(point.canvasx, point.canvasy, pointSize, 0, 360, false);
+           ctx.arc(point.canvasx, point.canvasy, pointSize,
+                   0, 2 * Math.PI, false);
            ctx.fill();
           }
         }