Run results for: push vs index

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:48.0) Gecko/20100101 Firefox/48.0

Browser: Firefox 48

Operating system: Mac OS X 10.11

Device Platform: Other

Date tested: 7 years ago

Test name	Executions per second
push	78884.1 Ops/sec
index	72056.5 Ops/sec
index insert at last position	59168.9 Ops/sec

Script Preparation code:

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; }