+ var textarea = this;
+
+ this.keyDownListener_ = function(event) {
+ console.log(event);
+ if(event.keyCode == 13) { // enter / return
+ textarea.hide();
+ }
+ if(event.keyCode == 27) { // esc
+ textarea.hide();
+ }
+ }
+
+ Dygraph.addEvent(document, "keydown", this.keyDownListener_);