delete vs undefined vs null

JavaScript performance comparison

Revision 38 of this test case created by Paul

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
delete object.property
var o = {
  p: 0
};

delete o.p;
pending…
delete object["property"]
var o = {
  p: 0
};
delete o["p"];
pending…
object.property = undefined
var o = {
  p: 0
};
o.p = undefined;
pending…
object["property"] = undefined
var o = {
  p: 0
};
o["p"] = undefined;
pending…
object.property = null
var o = {
  p: 0
};
o.p = null;
pending…
object["property"] = null
var o = {
  p: 0
};
o["p"] = null;
pending…

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