X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=dygraph-utils.js;h=9079aaf35429b9b06cf80ed31f28814ffc52355e;hb=c3491213337a0241107430ad15038c2f18fa5789;hp=11a2fba2f76861806fde946af6be631083e9d8ca;hpb=11c253e082a2bfb662230d6b3b9c736924b23c70;p=dygraphs.git

diff --git a/dygraph-utils.js b/dygraph-utils.js
index 11a2fba..9079aaf 100644
--- a/dygraph-utils.js
+++ b/dygraph-utils.js
@@ -79,7 +79,7 @@ Dygraph.log = function(severity, message) {
     // In older versions of Firefox, only console.log is defined.
     var console = window.console;
     var log = function(console, method, msg) {
-      if (method) {
+      if (method && typeof(method) == 'function') {
         method.call(console, msg);
       } else {
         console.log(msg);
@@ -193,7 +193,7 @@ Dygraph.addEvent = function addEvent(elem, type, fn) {
  *     on the event. The function takes one parameter: the event object.
  * @private
  */
-Dygraph.prototype.addEvent = function(elem, type, fn) {
+Dygraph.prototype.addAndTrackEvent = function(elem, type, fn) {
   Dygraph.addEvent(elem, type, fn);
   this.registeredEvents_.push({ elem : elem, type : type, fn : fn });
 };
@@ -221,6 +221,17 @@ Dygraph.removeEvent = function(elem, type, fn) {
   }
 };
 
+Dygraph.prototype.removeTrackedEvents_ = function() {
+  if (this.registeredEvents_) {
+    for (var idx = 0; idx < this.registeredEvents_.length; idx++) {
+      var reg = this.registeredEvents_[idx];
+      Dygraph.removeEvent(reg.elem, reg.type, reg.fn);
+    }
+  }
+
+  this.registeredEvents_ = [];
+}
+
 /**
  * Cancels further processing of an event. This is useful to prevent default
  * browser actions, e.g. highlighting text on a double-click.