Run results for: concat string vs array push

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:49.0) Gecko/20100101 Firefox/49.0

Browser: Firefox 49

Operating system: Windows

Device Platform: Other

Date tested: 7 years ago

Test name	Executions per second
concat string	260526700.0 Ops/sec
array push	14306820.0 Ops/sec

Script Preparation code:

var arr = [];
var mxname = 'mxname';

Tests: