tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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super-reference-resolution.js (590B)

      1 // Copyright (C) 2020 Rick Waldron. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 esid: sec-super-keyword
      5 description: Binds the "this" value to value returned by "parent" constructor
      6 info: |
      7  6. Let result be ? Construct(func, argList, newTarget).
      8  7. Let thisER be GetThisEnvironment( ).
      9  8. Return ? thisER.BindThisValue(result).
     10 features: [class]
     11 ---*/
     12 
     13 class X {
     14  method() { return this; }
     15 }
     16 
     17 class Y extends X {
     18  method() { return super.method(); }
     19 }
     20 
     21 const y = new Y();
     22 
     23 assert.sameValue(y.method(), y);
     24 
     25 reportCompare(0, 0);