push-array-map-entry

JavaScript performance comparison

Revision 2 of this test case created

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Testing in unknown unknown
Test Ops/sec
two pushes
var arr = ["a", "b", "c", "d"];
arr.push("key");
arr.push("value");
pending…
push pair
var arr = [["a", "b"], ["c", "d"]];
arr.push(["key", "value"]);
pending…
extend 2
var arr = ["a", "b", "c", "d"], arr2 = new Array(arr.length + 2);
arr2[arr.length] = "key";
arr2[arr.length + 1] = "value";
pending…
extend 2, cache length
var arr = ["a", "b", "c", "d"], arrlen = arr.length, arr2 = new Array(arrlen + 2);
arr2[arrlen] = "key";
arr2[arrlen + 1] = "value";
pending…

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