tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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semantics-06.js (285B)

      1 // Deleting the .next method makes for-of stop working on arrays.
      2 
      3 load(libdir + "asserts.js");
      4 load(libdir + "iteration.js");
      5 
      6 var iterProto = Object.getPrototypeOf([][Symbol.iterator]());
      7 delete iterProto.next;
      8 assertThrowsInstanceOf(function () { for (var v of []) ; }, TypeError);