tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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var-env-var-init-global-exstng.js (935B)

      1 // Copyright (C) 2016 the V8 project authors. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 esid: sec-evaldeclarationinstantiation
      5 description: Declaration does not modify existing global property
      6 info: |
      7    [...]
      8    16. For each String vn in declaredVarNames, in list order do
      9        a. If varEnvRec is a global Environment Record, then
     10           i. Perform ? varEnvRec.CreateGlobalVarBinding(vn, true).
     11    [...]
     12 
     13    8.1.1.4.17 CreateGlobalVarBinding
     14 
     15    [...]
     16    5. Let extensible be ? IsExtensible(globalObject).
     17    6. If hasProperty is false and extensible is true, then
     18       [...]
     19    [...]
     20 flags: [noStrict]
     21 includes: [propertyHelper.js]
     22 ---*/
     23 
     24 var initial;
     25 var x = 23;
     26 
     27 eval('initial = x; var x = 45;');
     28 
     29 verifyProperty(this, 'x', {
     30  value: 45,
     31  writable: true,
     32  enumerable: true,
     33  configurable: false,
     34 });
     35 
     36 assert.sameValue(initial, 23);
     37 
     38 reportCompare(0, 0);