MeasureThat.net

Run results for: push vs index

array methods to append an item

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/601.7.7 (KHTML, like Gecko) Version/9.1.2 Safari/601.7.7
Safari 9
Mac OS X 10.11.6
Other
8 years ago
Test name Executions per second
push 5658.5 Ops/sec
index 6126.3 Ops/sec
index insert at last position 4237.8 Ops/sec
Script Preparation code:
​x
 
var times = 1000;
​
var arr = [];
Tests:

  • push

     
    arr = [];
    for (var i = 0; i < times; i++) {
        arr.push(1337);
    }

  • index

     
    arr = [];
    for (var i = 0; i < times; i++) {
        arr[i] = 1337;
    }

  • index insert at last position

     
    arr = [];
    for (var i = 0; i < times; i++) {
        arr[arr.length] = 1337;
    }