Source code
Revision control
Copy as Markdown
Other Tools
// |reftest| error:SyntaxError
'use strict';
// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
info: |
Refer 13.1;
It is a SyntaxError if any Identifier value occurs more than once within a FormalParameterList of a strict mode
FunctionDeclaration or FunctionExpression.
es5id: 13.1-9-s
description: >
Strict Mode - SyntaxError is thrown if a function is created in
'strict mode' using a FunctionExpression and the function has two
identical parameters, which are separated by a unique parameter
name
negative:
phase: parse
type: SyntaxError
flags: [onlyStrict]
---*/
$DONOTEVALUATE();
(function (param1, param2, param1) { });