tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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semantics-05.js (342B)

      1 // Deleting String.prototype.iterator makes for-of stop working on strings.
      2 
      3 load(libdir + "asserts.js");
      4 load(libdir + "iteration.js");
      5 
      6 delete String.prototype[Symbol.iterator];
      7 assertThrowsInstanceOf(function () { for (var v of "abc") ; }, TypeError);
      8 assertThrowsInstanceOf(function () { for (var v of new String("abc")) ; }, TypeError);