freeze vs seal vs normal vs preventExtensions

JavaScript performance comparison

Revision 22 of this test case created by

Preparation code

<script>
  var o = {
    i: 42,
    s: 3,
    n: 5,
    r: 7,
    a: [1,2,3],
    f: function(i) { return i; }
  };
  var f = {
    i: 42,
    s: 3,
    n: 5,
    r: 7,
    a: [1,2,3],
    f: function(i) { return i; }
  };
  var s = {
    i: 42,
    s: 3,
    n: 5,
    r: 7,
    a: [1,2,3],
    f: function(i) { return i; }
  };
var e = {
    i: 42,
    s: 3,
    n: 5,
    r: 7,
    a: [1,2,3],
    f: function(i) { return i; }
  };
  Object.seal(s);
  Object.freeze(f);
  Object.preventExtensions(e);
</script>
    

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec

Revisions

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