Use default priority of "" rather than null.

Maybe this'll make IE9 happy?
d3 · Apr 25, 2011 · 420fed1 · 420fed1
1 parent b15a273
commit 420fed1
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Showing 3 changed files with 4 additions and 4 deletions.
diff --git a/d3.js b/d3.js
@@ -1339,7 +1339,7 @@ function d3_selection(groups) {
   };
 
   groups.style = function(name, value, priority) {
-    if (arguments.length < 3) priority = null;
+    if (arguments.length < 3) priority = "";
 
     // If no value is specified, return the first value.
     if (arguments.length < 2) {