tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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undef.js (612B)

      1 /* Handle recompilation on undefined variables. */
      2 
      3 function local()
      4 {
      5  var x;
      6  x++;
      7  assertEq(x, NaN);
      8  x = 0;
      9 }
     10 local();
     11 
     12 function name(v)
     13 {
     14  var x;
     15  with (v) {
     16    x++;
     17    assertEq(x, NaN);
     18  }
     19  assertEq(x, NaN);
     20  x = 0;
     21 }
     22 name({});
     23 
     24 function letname(v)
     25 {
     26  if (v) {
     27    let x;
     28    with (v) {
     29      x = "twelve";
     30    }
     31    assertEq(x, "twelve");
     32  }
     33 }
     34 letname({});
     35 
     36 function upvar()
     37 {
     38  var x;
     39  function inner() {
     40    x++;
     41    assertEq(x, NaN);
     42  }
     43  inner();
     44 }
     45 upvar();
     46 
     47 var x;
     48 var y;
     49 
     50 function global()
     51 {
     52  x++;
     53  assertEq(x, NaN);
     54  var z = 2 + y;
     55  assertEq(z, NaN);
     56 }
     57 global();
     58 
     59 x = 0;
     60 y = 0;