Run results for: Clear array via array = [] vs array.length = 0

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 139

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

array.length = 0;

8.6M/s

array = []

4.1M/s

View exact numbers

Test name	Executions per second
✓ array.length = 0;	8,648,671 Ops/sec
array = []	4,112,360 Ops/sec

Script Preparation code:

var list = [];
for (var i = 0; i < 1000 * 1000; i++) {
  list.push(i);
}

Tests: