Run results for: js object vs array

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Firefox/68.0

Browser: Firefox 68

Operating system: Mac OS X 10.14

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
arr	28732.2 Ops/sec
obj	26595.3 Ops/sec

Script Preparation code:

var arr = []
for (var i = 0; i < 10000; i++) arr[i] = i
var obj = {}
for (var i = 0; i < 10000; i++) obj[i] = i

Tests: