// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 11.4.1-5-a-23-s
description: >
Strict Mode - SyntaxError is thrown when deleting a built-in
(Number)
flags: [onlyStrict]
---*/
assert.throws(SyntaxError, function() {
eval("delete Number;");
});