diff --git a/js/common/bootstrap/module-console.js b/js/common/bootstrap/module-console.js
index c28b3d3f3b..ef76c08b3b 100644
--- a/js/common/bootstrap/module-console.js
+++ b/js/common/bootstrap/module-console.js
@@ -118,6 +118,9 @@
         else if (arg === null) {
           arg = "null";
         }
+        else if (arg instanceof Date || arg instanceof RegExp) {
+          arg = String(arg);
+        }
         else if (Object.prototype.isPrototypeOf(arg) || Array.isArray(arg)) {
           arg = inspect(arg, {prettyPrint: false});
         }