diff --git a/src/marks/facet.js b/src/marks/facet.js
index 86694062e9..182236e5e9 100644
--- a/src/marks/facet.js
+++ b/src/marks/facet.js
@@ -64,13 +64,19 @@ class Facet extends Mark {
             .each(function(key) {
               const {markIndex, markChannels} = facets.get(key);
               for (const mark of marks) {
+                const index = markIndex.get(mark);
+                const channels = markChannels.get(mark);
+                const dimensions = subdimensions;
                 const node = mark.render(
-                  markIndex.get(mark),
+                  index,
                   scales,
-                  markChannels.get(mark),
-                  subdimensions
+                  channels,
+                  dimensions
                 );
                 if (node != null) this.appendChild(node);
+                if (mark.callback) {
+                  mark.callback(node, index, scales, channels, dimensions);
+                }
               }
             }))
       .node();
diff --git a/src/plot.js b/src/plot.js
index 7efd3cafe8..0ecc5d43d8 100644
--- a/src/plot.js
+++ b/src/plot.js
@@ -110,6 +110,9 @@ export function plot(options = {}) {
     const index = markIndex.get(mark);
     const node = mark.render(index, scales, channels, options);
     if (node != null) svg.append(() => node);
+    if (mark.callback) {
+      mark.callback(node, index, scales, channels, dimensions);
+    }
   }
 
   return svg.node();
diff --git a/test/ballot-status-race.html b/test/ballot-status-race.html
index 97a1123e2d..8a1e5b1d49 100644
--- a/test/ballot-status-race.html
+++ b/test/ballot-status-race.html
@@ -81,8 +81,19 @@
       y: "race"
     },
     marks: [
-      Plot.barX(rollup, {x: "percent", y: "status", fill: "status", title: d => `${d.percent.toFixed(1)}%`}),
-      Plot.ruleX([0])
+      Object.assign(Plot.barX(rollup, {x: "percent", y: "status", fill: "status", title: d => `${d.percent.toFixed(1)}%`}),
+      {
+        // callback: (node) => d3.select(node).selectAll("rect").attr("opacity", 0).transition().attr("opacity", 1)
+        callback: (node) => d3.select(node).selectAll("rect").attr("width", function() {
+          this.setAttribute("__w", this.getAttribute("width"))
+          return 0;
+        }).transition().attr("width", function() {
+          const w = this.getAttribute("__w");
+          this.removeAttribute("__w");
+          return w;
+        })
+      }),
+      Object.assign(Plot.ruleX([0]), { callback: (node) => node.style.strokeDasharray = "2 2" })
     ]
   }));
 });