js: Tighten up ReplConsoleClient::trace() a little bit

Remove a bunch of unnecessary String copying.

1 files changed, 2 insertions, 2 deletions

diff --git a/Userland/js.cpp b/Userland/js.cpp
index 0389a5318f..14e080e27a 100644
--- a/Userland/js.cpp
+++ b/Userland/js.cpp
@@ -437,8 +437,8 @@ public:
     {
         puts(interpreter().join_arguments().characters());
         auto trace = interpreter().get_trace();
-        for (auto function_name : trace) {
-            if (String(function_name).is_empty())
+        for (auto& function_name : trace) {
+            if (function_name.is_empty())
                 function_name = "<anonymous>";
             printf(" -> %s\n", function_name.characters());
         }