tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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yield-regexp.js (552B)

      1 // Bug 1099956
      2 
      3 load(libdir + "asserts.js");
      4 
      5 // Parses as IDENT(yield) DIV IDENT(abc) DIV IDENT(g).
      6 eval(`function f1() { yield /abc/g; }`);
      7 
      8 // Throws a ReferenceError because no global "yield" variable is defined.
      9 var ex;
     10 try {
     11  f1();
     12 } catch(e) {
     13  ex = e;
     14 }
     15 assertEq(ex instanceof ReferenceError, true);
     16 
     17 // Parses as YIELD REGEXP(/abc/g).
     18 function* f2() {
     19  yield /abc/g;
     20 }
     21 
     22 g = f2();
     23 v = g.next();
     24 assertEq(v.done, false);
     25 assertEq(v.value instanceof RegExp, true);
     26 assertEq(v.value.toString(), "/abc/g");
     27 v = g.next();
     28 assertEq(v.done, true);