tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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__proto__-value-obj.js (879B)

      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 esid: sec-__proto__-property-names-in-object-initializers
      5 es6id: B.3.1
      6 description: >
      7  The value of the `__proto__` property key is assigned to the [[Prototype]]
      8  internal slot (Object value)
      9 info: |
     10  __proto__ Property Names in Object Initializers
     11 
     12  ...
     13  6. If propKey is the String value "__proto__" and if IsComputedPropertyKey(propKey) is false, then
     14    a. If Type(propValue) is either Object or Null, then
     15      i. Return object.[[SetPrototypeOf]](propValue).
     16    b. Return NormalCompletion(empty).
     17  ...
     18 ---*/
     19 
     20 var proto = {};
     21 
     22 var object = {
     23  __proto__: proto
     24 };
     25 
     26 assert.sameValue(Object.getPrototypeOf(object), proto);
     27 assert.sameValue(
     28  Object.getOwnPropertyDescriptor(object, '__proto__'), undefined
     29 );
     30 
     31 reportCompare(0, 0);