tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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11.1.4_4-5-1.js (990B)

      1 // Copyright (c) 2012 Ecma International.  All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 info: |
      6    Refer 11.1.4; 
      7    The production
      8    ElementList : Elisionopt AssignmentExpression
      9    5.Call the [[DefineOwnProperty]] internal method of array with arguments ToString(firstIndex), the Property Descriptor { [[Value]]: initValue, [[Writable]]: true
     10    , [[Enumerable]]: true, [[Configurable]]: true}, and false.
     11 es5id: 11.1.4_4-5-1
     12 description: >
     13    Initialize array using ElementList (Elisionopt
     14    AssignmentExpression) when index property (read-only) exists in
     15    Array.prototype (step 5)
     16 ---*/
     17 
     18            Object.defineProperty(Array.prototype, "0", {
     19                value: 100,
     20                writable: false,
     21                configurable: true
     22            });
     23            var arr = [101];
     24 
     25 assert(arr.hasOwnProperty("0"), 'arr.hasOwnProperty("0") !== true');
     26 assert.sameValue(arr[0], 101, 'arr[0]');
     27 
     28 reportCompare(0, 0);