tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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scope-lex-open.js (897B)


      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-block-runtime-semantics-evaluation
      5 description: Creation of new lexical environment for BlockStatement
      6 info: |
      7    1. Let oldEnv be the running execution context's LexicalEnvironment.
      8    2. Let blockEnv be NewDeclarativeEnvironment(oldEnv).
      9    3. Perform BlockDeclarationInstantiation(StatementList, blockEnv).
     10    4. Set the running execution context's LexicalEnvironment to blockEnv.
     11    5. Let blockValue be the result of evaluating StatementList.
     12    [...]
     13 features: [let]
     14 ---*/
     15 
     16 let x = 'outside';
     17 var probeBefore = function() { return x; };
     18 var probeInside;
     19 
     20 {
     21  let x = 'inside';
     22  probeInside = function() { return x; };
     23 }
     24 
     25 assert.sameValue(probeBefore(), 'outside');
     26 assert.sameValue(probeInside(), 'inside');
     27 
     28 reportCompare(0, 0);