Cache the selected rangeslider containers in drawData

Author: hy9be

src/plot_api/plot_api.js

@@ -282,7 +282,8 @@ Plotly.plot = function(gd, data, layout, config) {
     // Now plot the data
     function drawData() {
         var calcdata = gd.calcdata,
-            i;
+            i,
+            rangesliderContainers = fullLayout._infolayer.selectAll('g.rangeslider-container');
 
         // in case of traces that were heatmaps or contour maps
         // previously, remove them and their colorbars explicitly
@@ -302,7 +303,7 @@ Plotly.plot = function(gd, data, layout, config) {
                     .selectAll(query)
                     .remove();
 
-                fullLayout._infolayer.selectAll('g.rangeslider-container')
+                rangesliderContainers
                     .selectAll(query)
                     .remove();
             }