tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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mapped-arguments-nonconfigurable-3.js (636B)

      1 // Copyright (C) 2015 André Bargull. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 info: Mapped arguments object with non-configurable property
      6 description: >
      7    Mapping works when property is non-configurable, arguments property
      8    is changed with [[DefineOwnProperty]].
      9 flags: [noStrict]
     10 ---*/
     11 
     12 function argumentsAndDefineOwnProperty(a) {
     13  Object.defineProperty(arguments, "0", {configurable: false});
     14 
     15  Object.defineProperty(arguments, "0", {value: 2});
     16  assert.sameValue(a, 2);
     17  assert.sameValue(arguments[0], 2);
     18 }
     19 argumentsAndDefineOwnProperty(1);
     20 
     21 reportCompare(0, 0);