X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=experimental%2Fpalette%2Fpalette.js;fp=experimental%2Fpalette%2Fpalette.js;h=514463f554c45d374cb8ec6497c0b672c9133a12;hb=32326a21fbbde8bc67d09e1c7efaf28f792f0eb1;hp=d98ab15fd18ecb2179f0bbd02b9adc61562e69a1;hpb=775146792861ea30657f1f2b683ef8011bd5f4d7;p=dygraphs.git

diff --git a/experimental/palette/palette.js b/experimental/palette/palette.js
index d98ab15..514463f 100644
--- a/experimental/palette/palette.js
+++ b/experimental/palette/palette.js
@@ -215,6 +215,9 @@ Palette.prototype.read = function() {
  * Write to input elements.
  */
 Palette.prototype.write = function(hash) {
+  if (!hash) {
+    return;
+  }
   var results = {};
   for (var opt in this.model) {
     if (this.model.hasOwnProperty(opt)) {