add validation

w3c · Jan 17, 2025 · f8311a9 · f8311a9
1 parent b138f3a
commit f8311a9
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/index.bs b/index.bs
@@ -9784,6 +9784,10 @@ script=].
 <div algorithm="remote end steps for script.addPreloadScript">
 The [=remote end steps=] given |session| and |command parameters| are:
 
+1. If |command parameters| [=map/contains=] "<code>userContexts</code>"
+   and |command parameters| [=map/contains=] "<code>contexts</code>",
+   return [=error=] with [=error code=] [=invalid argument=].
+
 1. Let |function declaration| be the <code>functionDeclaration</code> field of |command
    parameters|.