type-inference-performance (v4)

Revision 4 of this benchmark created on


Setup

var array_of_ints = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
    var array_of_strings = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10']
    var array_of_mixed = [1, '2', '3', 4, 5, '6', '7', '8', 9, '10']

Test runner

Ready to run.

Testing in
TestOps/sec
array of ints
var sum = 0
for (var i=0; i<array_of_ints.length; i++) {
  sum += array_of_ints[i];
}
ready
array of ints with type conversion to int
var sum = 0
for (var i=0; i<array_of_ints.length; i++) {
  sum += parseInt(array_of_ints[i]);
}
ready
array of mixed with type conversion to int
var sum = 0
for (var i=0; i<array_of_mixed.length; i++) {
  sum += parseInt(array_of_mixed[i]);
}
 
ready
array of strings
var sum = '';
for (var i=0; i<array_of_strings.length; i++) {
  sum += array_of_strings[i];
}
ready
array of mixed with type coercion to string
var sum = 0
for (var i=0; i<array_of_mixed.length; i++) {
  sum += array_of_mixed[i];
}
ready

Revisions

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