diff options
Diffstat (limited to 'Userland/Libraries/LibJS/Runtime/Object.cpp')
| -rw-r--r-- | Userland/Libraries/LibJS/Runtime/Object.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Userland/Libraries/LibJS/Runtime/Object.cpp b/Userland/Libraries/LibJS/Runtime/Object.cpp index c7fa05b863..4667eed1d2 100644 --- a/Userland/Libraries/LibJS/Runtime/Object.cpp +++ b/Userland/Libraries/LibJS/Runtime/Object.cpp @@ -637,6 +637,8 @@ bool Object::put_own_property(const StringOrSymbol& property_name, Value value, auto value_here = m_storage[metadata.value().offset]; if (!new_property && mode == PutOwnPropertyMode::Put && !value_here.is_accessor() && !metadata.value().attributes.is_writable()) { dbgln_if(OBJECT_DEBUG, "Disallow write to non-writable property"); + if (throw_exceptions && vm().in_strict_mode()) + vm().throw_exception<TypeError>(global_object(), ErrorType::DescWriteNonWritable, property_name.to_display_string()); return false; } |