refactor(angular.toJson): use charAt instead of regexp

Provides a performance improvement when serializing to JSON strings. Closes angular#4093
jankuca · Sep 23, 2013 · 6c59e77 · 6c59e77
1 parent e275129
commit 6c59e77
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Angular.js b/src/Angular.js
@@ -781,7 +781,7 @@ function bind(self, fn) {
 function toJsonReplacer(key, value) {
   var val = value;
 
-  if (/^\$+/.test(key)) {
+  if (typeof key === 'string' && key.charAt(0) === '$') {
     val = undefined;
   } else if (isWindow(value)) {
     val = '$WINDOW';