Source code
Revision control
Copy as Markdown
Other Tools
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-regexp-pattern-flags
description: Initial state of the `lastIndex` property
info: |
[...]
7. Let O be ? RegExpAlloc(newTarget).
8. Return ? RegExpInitialize(O, P, F).
21.2.3.2.2 Runtime Semantics: RegExpInitialize
[...]
12. Perform ? Set(obj, "lastIndex", 0, true).
[...]
21.2.3.2.1 Runtime Semantics: RegExpAlloc
[...]
2. Perform ! DefinePropertyOrThrow(obj, "lastIndex", PropertyDescriptor
{[[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: false}).
[...]
includes: [propertyHelper.js]
---*/
var re = new RegExp('');
assert.sameValue(re.lastIndex, 0);
verifyNotEnumerable(re, 'lastIndex');
verifyWritable(re, 'lastIndex');
verifyNotConfigurable(re, 'lastIndex');
reportCompare(0, 0);