X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=dygraph-utils.js;h=d2051bf51fcd3338135b4c5250efa3a193deff75;hb=b5481aea020c5fa66baef26508671591527bd3df;hp=6ca025fe0a83c0aaa91dc5a38ca5bbbd1f3879bc;hpb=7249a5aa13b2861eb6e79ca39059233fc6ed701d;p=dygraphs.git

diff --git a/dygraph-utils.js b/dygraph-utils.js
index 6ca025f..d2051bf 100644
--- a/dygraph-utils.js
+++ b/dygraph-utils.js
@@ -873,7 +873,7 @@ Dygraph.repeatAndCleanup = function(repeatFn, maxFrames, framePeriodInMillis,
         repeatFn(maxFrameArg);  // Ensure final call with maxFrameArg.
         cleanupFn();
       } else {
-        if (frameDelta != 0) {  // Don't call repeatFn with duplicate frames.
+        if (frameDelta !== 0) {  // Don't call repeatFn with duplicate frames.
           repeatFn(frameNumber);
         }
         loop();
@@ -1029,7 +1029,6 @@ Dygraph.regularShape_ = function(
   delta = delta || Math.PI * 2 / sides;
 
   ctx.beginPath();
-  var first = true;
   var initialAngle = rotationRadians;
   var angle = initialAngle;
 
@@ -1213,3 +1212,20 @@ Dygraph.detectLineDelimiter = function(data) {
 
   return null;
 };
+
+/**
+ * Is one element contained by another?
+ * @param {Element} containee The contained element.
+ * @param {Element} container The container element.
+ * @return {boolean} Whether containee is inside (or equal to) container.
+ * @private
+ */
+Dygraph.isElementContainedBy = function(containee, container) {
+  if (container === null || containee === null) {
+    return false;
+  }
+  while (containee && containee !== container) {
+    containee = containee.parentNode;
+  }
+  return (containee === container);
+};