tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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has-definite-folding.js (747B)

      1 var max = 40;
      2 setJitCompilerOption("ion.warmup.trigger", max - 10);
      3 
      4 function defineProperty() {
      5    var abc = {};
      6    Object.defineProperty(abc, "x", {value: 1})
      7    assertEq(abc.x, 1);
      8 }
      9 
     10 function simple() {
     11    var o = {a: 1};
     12    assertEq("a" in o, true);
     13    assertEq("b" in o, false);
     14    assertEq(o.hasOwnProperty("a"), true);
     15    assertEq(o.hasOwnProperty("b"), false);
     16 }
     17 
     18 function proto() {
     19    var o = {a: 1, __proto__: {b: 2}};
     20    assertEq("a" in o, true);
     21    assertEq("b" in o, true);
     22    assertEq("c" in o, false);
     23    assertEq(o.hasOwnProperty("a"), true);
     24    assertEq(o.hasOwnProperty("b"), false);
     25    assertEq(o.hasOwnProperty("c"), false);
     26 }
     27 
     28 for (var i = 0; i < max; i++) {
     29    defineProperty();
     30    simple();
     31    proto();
     32 }