tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

semantics-02.js (326B)

      1 // Replacing Array.prototype.iterator with something non-callable makes for-of throw.
      2 
      3 load(libdir + "asserts.js");
      4 load(libdir + "iteration.js");
      5 
      6 function test(v) {
      7    Array.prototype[Symbol.iterator] = v;
      8    assertThrowsInstanceOf(function () { for (var x of []) ; }, TypeError);
      9 }
     10 test(undefined);
     11 test(null);
     12 test({});