Remove the vestigial DygraphLayout.setDateWindow.

[dygraphs.git] / dygraph-utils.js

diff --git a/dygraph-utils.js b/dygraph-utils.js
index 2ccb3d0..223360b 100644 (file)
--- a/dygraph-utils.js
+++ b/dygraph-utils.js
@@ -135,7 +135,6 @@ Dygraph.prototype.warn = Dygraph.warn;
 
 /**
  * @param {string} message
- * @private
  */
 Dygraph.error = function(message) {
   Dygraph.log(Dygraph.ERROR, message);
@@ -634,7 +633,6 @@ Dygraph.dateStrToMillis = function(str) {
  * @param {!Object} self
  * @param {!Object} o
  * @return {!Object}
- * @private
  */
 Dygraph.update = function(self, o) {
   if (typeof(o) != 'undefined' && o !== null) {
@@ -1246,10 +1244,11 @@ Dygraph.isNodeContainedBy = function(containee, container) {
   if (container === null || containee === null) {
     return false;
   }
-  while (containee && containee !== container) {
-    containee = containee.parentNode;
+  var containeeNode = /** @type {Node} */ (containee);
+  while (containeeNode && containeeNode !== container) {
+    containeeNode = containeeNode.parentNode;
   }
-  return (containee === container);
+  return (containeeNode === container);
 };