tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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WeakSet-add-returns-this.js (223B)

      1 var ws = new WeakSet();
      2 var bar = {};
      3 assertEq(ws.add(bar), ws);
      4 var foo = {};
      5 var a = ws.add(foo);
      6 assertEq(a, ws);
      7 assertEq(a.has(bar), true);
      8 assertEq(a.has(foo), true);
      9 assertEq(WeakSet.prototype.add.call(ws, {}), ws);