diff --git a/Userland/Libraries/LibJS/Bytecode/CommonImplementations.cpp b/Userland/Libraries/LibJS/Bytecode/CommonImplementations.cpp
index 38a5add979..f1da5e2464 100644
--- a/Userland/Libraries/LibJS/Bytecode/CommonImplementations.cpp
+++ b/Userland/Libraries/LibJS/Bytecode/CommonImplementations.cpp
@@ -244,4 +244,24 @@ ThrowCompletionOr<Value> typeof_variable(VM& vm, DeprecatedFlyString const& stri
     return PrimitiveString::create(vm, value.typeof());
 }
 
+ThrowCompletionOr<void> set_variable(
+    VM& vm,
+    DeprecatedFlyString const& name,
+    Value value,
+    Op::EnvironmentMode mode,
+    Op::SetVariable::InitializationMode initialization_mode)
+{
+    auto environment = mode == Op::EnvironmentMode::Lexical ? vm.running_execution_context().lexical_environment : vm.running_execution_context().variable_environment;
+    auto reference = TRY(vm.resolve_binding(name, environment));
+    switch (initialization_mode) {
+    case Op::SetVariable::InitializationMode::Initialize:
+        TRY(reference.initialize_referenced_binding(vm, value));
+        break;
+    case Op::SetVariable::InitializationMode::Set:
+        TRY(reference.put_value(vm, value));
+        break;
+    }
+    return {};
+}
+
 }
diff --git a/Userland/Libraries/LibJS/Bytecode/CommonImplementations.h b/Userland/Libraries/LibJS/Bytecode/CommonImplementations.h
index 6524271f17..c23567b7bc 100644
--- a/Userland/Libraries/LibJS/Bytecode/CommonImplementations.h
+++ b/Userland/Libraries/LibJS/Bytecode/CommonImplementations.h
@@ -21,5 +21,6 @@ ThrowCompletionOr<Value> perform_call(Interpreter&, Value this_value, Op::CallTy
 template<typename InstructionType>
 ThrowCompletionOr<void> throw_if_needed_for_call(Interpreter&, InstructionType const&, Value callee);
 ThrowCompletionOr<Value> typeof_variable(VM&, DeprecatedFlyString const&);
+ThrowCompletionOr<void> set_variable(VM&, DeprecatedFlyString const&, Value, Op::EnvironmentMode, Op::SetVariable::InitializationMode);
 
 }
diff --git a/Userland/Libraries/LibJS/Bytecode/Interpreter.cpp b/Userland/Libraries/LibJS/Bytecode/Interpreter.cpp
index 7c2151e3f1..f8e7dd38f7 100644
--- a/Userland/Libraries/LibJS/Bytecode/Interpreter.cpp
+++ b/Userland/Libraries/LibJS/Bytecode/Interpreter.cpp
@@ -925,16 +925,7 @@ ThrowCompletionOr<void> SetVariable::execute_impl(Bytecode::Interpreter& interpr
 {
     auto& vm = interpreter.vm();
     auto const& name = interpreter.current_executable().get_identifier(m_identifier);
-    auto environment = m_mode == EnvironmentMode::Lexical ? vm.running_execution_context().lexical_environment : vm.running_execution_context().variable_environment;
-    auto reference = TRY(vm.resolve_binding(name, environment));
-    switch (m_initialization_mode) {
-    case InitializationMode::Initialize:
-        TRY(reference.initialize_referenced_binding(vm, interpreter.accumulator()));
-        break;
-    case InitializationMode::Set:
-        TRY(reference.put_value(vm, interpreter.accumulator()));
-        break;
-    }
+    TRY(set_variable(vm, name, interpreter.accumulator(), m_mode, m_initialization_mode));
     return {};
 }
 
diff --git a/Userland/Libraries/LibJS/Bytecode/Op.h b/Userland/Libraries/LibJS/Bytecode/Op.h
index 3a49dd1567..f8dd6fe94f 100644
--- a/Userland/Libraries/LibJS/Bytecode/Op.h
+++ b/Userland/Libraries/LibJS/Bytecode/Op.h
@@ -428,6 +428,8 @@ public:
     DeprecatedString to_deprecated_string_impl(Bytecode::Executable const&) const;
 
     IdentifierTableIndex identifier() const { return m_identifier; }
+    EnvironmentMode mode() const { return m_mode; }
+    InitializationMode initialization_mode() const { return m_initialization_mode; }
 
 private:
     IdentifierTableIndex m_identifier;