+ if (this.attr_('showRangeSelector')) {
+ // The range selector must be created here so that its canvases and contexts get created here.
+ // For some reason, if the canvases and contexts don't get created here, things don't work in IE.
+ // The range selector also sets xAxisHeight in order to reserve space.
+ this.rangeSelector_ = new DygraphRangeSelector(this);
+ }
+