Array direct assignment vs push (v23)

Revision 23 of this benchmark created on

Setup

var array = new Array(100);
    var array2 = [];
    array2.len = 0;
    var other_array = 0;
    var side_effect = 0;

Test runner

Ready to run.

Testing in
TestOps/sec
Direct assignment
for(var i = 0; i < 100; i++)
{
  array[i] = "test";
  ++side_effect;
}
ready
Push
for(var i = 0; i < 100; i++)
{
  array.push("test");
  ++side_effect;
}
ready
Direct assignment (calculated)
for(var i = 0; i < 100; i++)
{
  array[array.length] = "test";
  ++side_effect;
}
ready
other
for(var i = 0; i < 100; i++)
{
  array[other_array++] = "test";
  ++side_effect;
}
ready
array2.len
for(var i = 0; i < 100; i++)
{
  array2[array2.len++] = "test";
  ++side_effect;
}
ready

Revisions

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