tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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Map-delete-size.js (296B)

      1 // map.delete(k) decrements the map size iff an entry was actually removed.
      2 
      3 var m = new Map();
      4 m.delete(3);
      5 assertEq(m.size, 0);
      6 m.set({}, 'ok');
      7 m.set(Math, 'ok');
      8 assertEq(m.size, 2);
      9 m.delete({});
     10 assertEq(m.size, 2);
     11 m.delete(Math);
     12 assertEq(m.size, 1);
     13 m.delete(Math);
     14 assertEq(m.size, 1);