1 files changed, 2 insertions, 1 deletions
diff --git a/js/console.ts b/js/console.ts
index 48ecc6e7e..2eb5e27c0 100644
--- a/js/console.ts
+++ b/js/console.ts
@@ -112,7 +112,8 @@ export class Console {
 
   // tslint:disable-next-line:no-any
   warn(...args: any[]): void {
-    this.printFunc(`ERROR: ${stringifyArgs(args)}`);
+    // TODO Log to stderr.
+    this.printFunc(stringifyArgs(args));
   }
 
   error = this.warn;