Preparation code

      
      <script>

        Benchmark.prototype.setup = function() {

          
  var o = {
     p: 1
  };
        
  };


      
</script>
    

Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

 delete o.p;

 delete o["p"];

 o.p = false;

 o["p"] = false;

 o.p = null;

 o.p = undefined;

Compare results of other browsers

Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL.

• Revision 1: published on 2010-9-23
• Revision 2: published on 2010-10-13
• Revision 3: published on 2010-10-28
• Revision 4: published on 2011-10-25
• Revision 6: published on 2012-4-28
• Revision 7: published BinaryKitten on 2012-11-6
• Revision 8: published on 2012-12-3
• Revision 9: published on 2012-12-3
• Revision 10: published on 2012-12-7
• Revision 11: published on 2013-1-12
• Revision 12: published on 2013-2-25
• Revision 13: published Ian Nartowicz on 2013-3-18
• Revision 14: published on 2013-3-31
• Revision 15: published on 2013-4-29
• Revision 16: published on 2013-6-1
• Revision 17: published on 2013-7-11
• Revision 18: published narushevich on 2013-8-21
• Revision 19: published Dan on 2013-8-28
• Revision 20: published on 2013-9-5
• Revision 21: published on 2013-9-20
• Revision 22: published Thorsten Lorenz on 2013-10-18
• Revision 23: published Dan on 2013-11-15
• Revision 24: published on 2013-12-5
• Revision 26: published S on 2014-5-24
• Revision 27: published Gary on 2014-5-26
• Revision 28: published on 2014-7-12
• Revision 29: published on 2014-9-5
• Revision 30: published on 2014-9-28
• Revision 31: published on 2014-12-1
• Revision 32: published Arjun on 2014-12-18
• Revision 33: published Mike McKenzie on 2014-12-18
• Revision 34: published Midel on 2015-1-25
• Revision 35: published Check if defined before delete on 2015-1-27
• Revision 37: published on 2015-3-4
• Revision 38: published Paul on 2015-3-15
• Revision 39: published LJ_1102 on 2015-3-28
• Revision 40: published on 2015-3-30
• Revision 41: published on 2015-3-30
• Revision 42: published on 2015-4-1
• Revision 44: published on 2015-4-6
• Revision 45: published on 2015-5-5
• Revision 46: published on 2015-5-6
• Revision 47: published on 2015-5-11
• Revision 48: published liene on 2015-5-22
• Revision 49: published on 2015-6-2
• Revision 50: published on 2015-6-8
• Revision 51: published Alex on 2015-6-16
• Revision 54: published on 2015-9-28
• Revision 55: published on 2015-10-2
• Revision 56: published on 2015-10-29
• Revision 57: published on 2015-11-11
• Revision 58: published Igor on 2016-1-5
• Revision 60: published on 2016-1-30
• Revision 61: published on 2016-2-1
• Revision 62: published on 2016-2-3
• Revision 63: published on 2016-2-3
• Revision 64: published on 2016-2-3 and last updated on 2016-2-4
• Revision 65: published on 2016-2-4
• Revision 67: published PhistucK on 2016-3-16
• Revision 68: published on 2016-3-22
• Revision 69: published on 2016-3-22
• Revision 70: published technoknol on 2016-11-15
• Revision 71: published on 2016-11-30
• Revision 72: published on 2016-11-30
• Revision 73: published on 2016-11-30
• Revision 75: published on 2019-2-6
• Revision 76: published on 2019-2-6
• Revision 77: published on 2019-2-6
• Revision 78: published on 2019-2-6
• Revision 79: published on 2019-2-6
• Revision 80: published doron nahum on 2019-2-19
• Revision 81: published doron nahum on 2019-2-19
• Revision 82: published doron nahum on 2019-2-19
• Revision 83: published Jett Teixeira on 2019-2-26
• Revision 84: published Jett Teixeira on 2019-2-26
• Revision 85: published Jett Teixeira on 2019-2-26
• Revision 86: published Jett Teixeira on 2019-2-26
• Revision 87: published Svyatoslav Nazarov on 2019-3-21
• Revision 92: published Panagiotis Panagi on 2019-4-4
• Revision 93: published Nikolay Emrikh on 2019-4-26
• Revision 97: published Andre Noberto on 2019-8-19
• Revision 98: published on 2019-8-22
• Revision 102: published Th0rN13 on 2019-9-25
• Revision 103: published Th0rN13 on 2019-9-25
• Revision 104: published Th0rN13 on 2019-9-25
• Revision 105: published Rick Zhou on 2019-10-17
• Revision 106: published Rick Zhou on 2019-10-17
• Revision 107: published Marcell Toth on 2019-10-20
• Revision 108: published Marcell Toth on 2019-10-20
• Revision 109: published Thom Morais on 2019-10-24
• Revision 110: published Thom Morais on 2019-10-24

0 Comments