tor-browser

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

getelem-undefined-null.js (933B)

      1 function exists() {
      2  var a = {'null': 1, 'undefined': 2};
      3  for (var i = 0; i < 100; i++) {
      4    assertEq(a[null], 1);
      5    assertEq(a[undefined], 2);
      6  }
      7 }
      8 
      9 function missing() {
     10  var a = {};
     11  for (var i = 0; i < 100; i++) {
     12    assertEq(a[null], undefined);
     13    assertEq(a[undefined], undefined);
     14  }
     15 }
     16 
     17 function getter() {
     18  var a = {
     19    get null() {
     20      return 1;
     21    },
     22    get undefined() {
     23      return 2;
     24    }
     25  }
     26  for (var i = 0; i < 100; i++) {
     27    assertEq(a[null], 1);
     28    assertEq(a[undefined], 2);
     29  }
     30 }
     31 
     32 function primitive() {
     33  var v = true;
     34  for (var i = 0; i < 100; i++) {
     35    assertEq(v[null], undefined);
     36    assertEq(v[undefined], undefined);
     37  }
     38 }
     39 
     40 function mixed() {
     41  var a = {'null': 'null', 'undefined': 'undefined'};
     42  for (var i = 0; i < 100; i++) {
     43    var v = a[i % 2 ? null : undefined]
     44    assertEq(a[v], i % 2 ? 'null' : 'undefined');
     45  }
     46 }
     47 
     48 exists();
     49 missing()
     50 getter();
     51 primitive();
     52 mixed();