small array creation initialization

Benchmark created on

Setup

function b(len) {
    var a = new Array(len);
    for (var i = 0; i < len; ++i) {
      a[i] = i;
    }
    }

Test runner

Ready to run.

Testing in
TestOps/sec
1
var a = new Array(10);
for (var i = 0; i < a.length; ++i) {
  a[i] = i;
}
ready
2
var a = [];
for (var i = 0; i < 10; ++i) {
  a[i] = i;
}
ready
3
var a = [];
for (var i = 0; i < 10; ++i) {
  a.push(i);
}
ready
4
var a = new Array(10);
var len = a.length;
for (var i = 0; i < len; ++i) {
  a[i] = i;
}
ready
5
var a = new Array(10);
for (var i = 0; i < 10; ++i) {
  a[i] = i;
}
ready
6
b(10)
ready

Revisions

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