diff --git a/Userland/Libraries/LibJS/Bytecode/CommonImplementations.h b/Userland/Libraries/LibJS/Bytecode/CommonImplementations.h index 0f5831f578..17a0a4a509 100644 --- a/Userland/Libraries/LibJS/Bytecode/CommonImplementations.h +++ b/Userland/Libraries/LibJS/Bytecode/CommonImplementations.h @@ -443,6 +443,15 @@ inline ThrowCompletionOr put_by_value(VM& vm, Value base, Value property_k } } + if (typed_array.kind() == TypedArrayBase::Kind::Uint32Array && value.is_integral_number()) { + auto integer = value.as_double(); + + if (AK::is_within_range(integer) && is_valid_integer_index(typed_array, canonical_index)) { + fast_typed_array_set_element(typed_array, index, static_cast(integer)); + return {}; + } + } + switch (typed_array.kind()) { #define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, Type) \ case TypedArrayBase::Kind::ClassName: \