X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=dygraph-utils.js;h=b73475d0542d4d7d99ca0720467ed959f1d599a5;hb=6f8f19efb497197dc136647de353368581131634;hp=7aeca8d4e67b7b2c896d6ec80ca602124fde08d6;hpb=5dfebe76ebfa5442d53f1c4a7e6fc384c439cccb;p=dygraphs.git

diff --git a/dygraph-utils.js b/dygraph-utils.js
index 7aeca8d..b73475d 100644
--- a/dygraph-utils.js
+++ b/dygraph-utils.js
@@ -51,20 +51,24 @@ Dygraph.DOT_DASH_LINE = [7, 2, 2, 2];
 Dygraph.log = function(severity, message) {
   var st;
   if (typeof(printStackTrace) != 'undefined') {
-    // Remove uninteresting bits: logging functions and paths.
-    st = printStackTrace({guess:false});
-    while (st[0].indexOf("stacktrace") != -1) {
-      st.splice(0, 1);
-    }
+    try {
+      // Remove uninteresting bits: logging functions and paths.
+      st = printStackTrace({guess:false});
+      while (st[0].indexOf("stacktrace") != -1) {
+        st.splice(0, 1);
+      }
 
-    st.splice(0, 2);
-    for (var i = 0; i < st.length; i++) {
-      st[i] = st[i].replace(/\([^)]*\/(.*)\)/, '@$1')
-          .replace(/\@.*\/([^\/]*)/, '@$1')
-          .replace('[object Object].', '');
+      st.splice(0, 2);
+      for (var i = 0; i < st.length; i++) {
+        st[i] = st[i].replace(/\([^)]*\/(.*)\)/, '@$1')
+            .replace(/\@.*\/([^\/]*)/, '@$1')
+            .replace('[object Object].', '');
+      }
+      var top_msg = st.splice(0, 1)[0];
+      message += ' (' + top_msg.replace(/^.*@ ?/, '') + ')';
+    } catch(e) {
+      // Oh well, it was worth a shot!
     }
-    var top_msg = st.splice(0, 1)[0];
-    message += ' (' + top_msg.replace(/^.*@ ?/, '') + ')';
   }
 
   if (typeof(console) != 'undefined') {
@@ -686,6 +690,7 @@ Dygraph.Iterator = function(array, start, length, predicate) {
   length = length || array.length;
   this.hasNext = true; // Use to identify if there's another element.
   this.peek = null; // Use for look-ahead
+  this.start_ = start;
   this.array_ = array;
   this.predicate_ = predicate;
   this.end_ = Math.min(array.length, start + length);